%0 Journal Article %A V. N. Pavlenko %A D. K. Potapov %T Approximation of boundary value problems of elliptic type with a spectral parameter and a discontinuous nonlinearity %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2005 %P 49-55 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2005_4_a6/ %G ru %F IVM_2005_4_a6