%0 Journal Article %A A. V. Kosterin %A E. G. Sheshukov %T The application of the Ritz method to the solution of boundary value problems of nonlinear filtration %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1975 %P 51-55 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1975_6_a5/ %G ru %F IVM_1975_6_a5