Sommaire du Fascicule no. 1
Sommaire du Fascicule no. 2
Sommaire du Fascicule no. 3
Sommaire du Fascicule no. 4
p. 281-293
Sommaire du Fascicule no. 5
p. 357-378
p. 389-402
Sommaire du Fascicule no. 6
p. 426-438
Application of the infinite matrix theory to the solvability of a system of differential equations :
p. 439-447
p. 459-465