%0 Journal Article %A R. I. Anishchenko %T Existence theorems and the method of successive approximations for some nonlinear problems %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1971 %P 3-13 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1971_5_a0/ %G ru %F IVM_1971_5_a0