TY - JOUR AU - R. I. Anishchenko TI - Existence theorems and the method of successive approximations for some nonlinear problems JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1971 SP - 3 EP - 13 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1971_5_a0/ LA - ru ID - IVM_1971_5_a0 ER -