TY - JOUR AU - М.М. Вайнберг TI - Existence theorems for the characteristic values of a class of systems of nonlinear integral equations. JO - Matematičeskij sbornik PY - 1950 SP - 365 EP - 394 VL - 68 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MS_1950__68_3_a4/ LA - de ID - MS_1950__68_3_a4 ER -