Sommaire du Fascicule no. 1
On properties of the eigenfunctions of a quadratic pencil of the second order differential operators
p. 31-44
p. 58-67
Sommaire du Fascicule no. 2
p. 88-93
Sommaire du Fascicule no. 3
p. 14-22
p. 33-37
Sommaire du Fascicule no. 4
About oblique impact by perfectly rigid body with plane boundary on the nonlinear elastic half-space
p. 32-40
p. 153-155