MR0282017
Lutz, Donald A.
null
Perturbations of matrix differential equations in the neighborhood of a singular point
Funkcialaj Ekvacioj. Serio Internacia
13
1970
97--107
http://fe.math.kobe-u.ac.jp/FE/FullPapers/vol13/fe13-9.pdf
http://fe.math.kobe-u.ac.jp/FE/FE_pdf_with_bookmark/FE11-20-en_KML/fe13-097-107/fe13-097-107.pdf
http://www.ams.org/mathscinet-getitem?mr=MR0282017
fe13-097-107
1970
Perturbations of Matrix Diff.erential Equations in the Neighborhood of a Singular Point
LUTZ, Donald A.
LUTZ, Donald A.
1
Coddington, E. A.; Levinson, N.
Theory of Orinary Differential Equations
New York, McGraw-Hill
1955
Data is not found in MathSci.
Cache/Co/Coddington,Orinary,*,1955,1956
2
Wasow, W.
Perturbations of Matrix Differential Equations in the Neighborhood of a Singular Point 107
Asymptotic Expansions for Ordinary Differential Equations
Academic Press, New York
1965
Data is not found in MathSci.
Cache/Wa/Wasow,Perturbations,*,1965,1966
3
Lutz, D. A.
Linear perturbations of irregular singular systems
Proc. of the U.S. Japan Sem. in Diff. and Functional Equations
Benjamin, New York
1967
555-558
Data is not found in MathSci.
Cache/Lu/Lutz,perturbations,*,1967,1968
4
Lutz, D. A.
Asymptotic behavior of solutions of linear systems of ordinary differential equations near an irregular singular point
Amer. Jour. Math.
91
1969
95-105
MR0241737
100
Cache/Lu/Lutz,Asymptotic,Amer*,1969,1970
5
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
6
MacDuffee, C. C.
The Theory of Matrices
Chelsea, New York
1933
Data is not found in MathSci.
Cache/Ma/MacDuffee,Matrices,*,1933,1934
7
Lutz, D. A.
Some characterizations of systems of linear differential equations having regular singular solutions
Trans. A. M. S.
126
3
1967
427-441
MR0206370
100
Cache/Lu/Lutz,characterizations,Trans*,1967,1968