Sommaire du Fascicule no. 1
p. 3-18
Sommaire du Fascicule no. 2
p. 166-182
Basis property of a system of eigenfunctions of a second-order differential operator with involution
p. 183-196
p. 197-210
p. 228-244
p. 275-294
Sommaire du Fascicule no. 3
p. 363-381
p. 396-407
Sommaire du Fascicule no. 4
p. 518-531
p. 558-568
p. 612-617