PageHeader : Funkcialaj Ekvacioj, 33 (1990) 527-549 Title : Tensor Products of Linear Differential Equations II Title : - New formulae for the hypergeometric functions ? AuthorInfo : By AuthorInfo : Takeshi SASAKI and Masaaki YOSHIDA AuthorInfo : (Kumamoto University and Kyushu University, Japan) AuthorInfo : Dedicated to Professor Shingo Murakami on his 60th birthday section : 0 Introduction section : 1 Integrable connections and Pfaffian systems section : 2 Tensor products of HGDE's and formulae of the HGF's section : 3 Symmetries of a Pfaffian system and linear relations among the solutions section : 4 The symmetry group of a Pfaffian system section : 6 The Gauss HGDE section : 7 Appell-Lauricella's HGDE $F_{D}$ section : 8 Appell's HGDE $F_{2}$ section : 9 Appell's system $F_{4}$ section : References