MR556577
Balser, W. and Jurkat, W. B. and Lutz, D. A.
null
A general theory of invariants for meromorphic differential equations. I. Formal invariants
Fako de l'Funkcialaj Ekvacioj Japana Matematika Societo. Funkcialaj Ekvaciog. Serio Internacia
22
1979
197--221
http://fe.math.kobe-u.ac.jp/FE/FullPapers/vol22/fe22-2-4.pdf
http://fe.math.kobe-u.ac.jp/FE/FE_pdf_with_bookmark/FE21-30-en_KML/fe22-197-221/fe22-197-221.pdf
http://www.ams.org/mathscinet-getitem?mr=MR556577
fe22-197-221
1979
A General Theory of Invariants for Meromorphic Differential Equations;Part I, Formal Invariants
Balser, W.; Jurkat, W. B.; Lutz, D. A.
Balser, W.; Jurkat, W. B.; Lutz, D. A.
1
Balser, W.; Jurkat, W. B.; Lutz, D. A.
Birkhoff invariants and Stokes' Multipliers for meromorphic linear differential equations
J. Math. Anal. Appl.
MR545861
100
Cache/Ba/Balser,Multipliers,J*,1974,1984
1979
48--94
2
Birkhoff, G. D.
The generalized Riemann problem for linear differential equations and the allied problems for linear difference and q-difference equations
Proc. Amer. Acad. Arts and Sci.
49
1913
531-568
Data is not found in MathSci.
Cache/Bi/Birkhoff,generalized,Proc*,1913,1914
3
Coddington, E. A.; Levinson, N.
Theory of Ordinary Differential Equations
McGraw- Hill, New York
1955
MR0069338
100
Cache/Co/Coddington,Ordinary,*,1955,1956
xii+429
4
Cope, F. T.
Formal solutions of irregular linear differential equations,Part I,Part II
Amer. J. Math.
56,58
1934,1936
417-437,130-140
MR1507137
100
Cache/Co/Cope,equations,Part,Amer*,1936,1937
5
Gantmacher, F. R.
Theory of Matrices,Vol. I & II
Chelsea, New York
1959
MR0107648
83
Cache/Ga/Gantmacher,Matrices,Vol,*,1959,1960
ix+317
6
G\'erard, R.; Levelt, A. H. M.
Invariants measurant l'irr\'egularit\'e en un point singulier des systemes d'\'equations diff\'erentialles lin\'eares
Ann. Inst. Fourier
23
1973
157-195
MR0346221
75
Cache/Ge/G\'erard,Invariants,Ann*,1973,1974
7
Jurkat, W. B.; Lutz, D. A.; Peyerimhoff, A.
Birkhoff invariants and effective calculations for meromorphic linear differential equations,Part I
53
1976
438-470
Data is not found in MathSci.
Cache/Ju/Jurkat,equations,Part,*,1976,1977
8
Jurkat, W. B.; Lutz, D. A.; Peyerimhoff, A.
Birkhoff invariants and effective calculations for meromorphic linear differential equations,Part II
2
1976
207-238
Data is not found in MathSci.
Cache/Ju/Jurkat,equations,Part,*,1976,1977
9
Jurkat, W. B.
Meromorphe Differentialgleichungen, \DoubleBeginQuartation Enstanden aus einer Vorlesung im Sommersemester 1977 in Ulm,"
Lecture Notes in Mathematics
637
Springer-Verlag, Berlin-Heidelberg-New York
1977
MR494886
100
Cache/Ju/Jurkat,Differentialgleichungen,,*,1977,1978
vii+194
10
Levelt, A. H. M.
Jordan decomposition for a class of singular differential operators
Ark. Mat.
13
1975
1-27
MR0500294
100
Cache/Le/Levelt,decomposition,Ark*,1975,1976
11
MacDuffee, C. C.
Theory of Matrices
Chelsea. New York
000
Data is not found in MathSci.
Cache/Ma/MacDuffee,Matrices,*,1974,1984
12
Sibuya, Y.
Linear Differential Equations in the Complex Domain; Problems of Analytic Continuation
Kinokuniya, Tokyo
1976
000
Data is not found in MathSci.
Cache/Si/Sibuya,Linear,*,1976,1977
13
Sibuya, Y.
Stokes' Phenomena
Bull. Amer. Math. Soc.
83
1977
1075-1077
MR0442337
100
Cache/Si/Sibuya,Phenomena,Bull*,1977,1978
14
Trjitzinsky, W. J.
Analytic theory of linear differential equations
Acta Math.
62
1933
167-226
Data is not found in MathSci.
Cache/Tr/Trjitzinsky,Analytic,Acta*,1933,1934
15
Turrittin, H. L.
Convergent solutions of ordinary linear homogeneous differential equations in the neighborhood of an irregular singular point
Acta Math.
93
1955
27-66
MR0068689
100
Cache/Tu/Turrittin,homogeneous,Acta*,1955,1956
16
Turrittin, H. L.
Reduction of ordinary differential equations to the Birkhoff canonical form
Trans. Amer. Math. Soc.
107
1963
485-507
MR0150367
100
Cache/Tu/Turrittin,Reduction,Trans*,1963,1964
17
Wasow, W.
Asymptotic expansions for ordinary differential equations
J. Wiley-Interscience, New York
1965
MR0203188
100
Cache/Wa/Wasow,Asymptotic,*,1965,1966
ix+362