%0 Journal Article %A A. N. Rumyantsev %T Investigation of the solvability of boundary value problems with application of vector a~priori inequalities in the presence of impulse perturbations %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1994 %P 75-82 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1994_6_a9/ %G ru %F IVM_1994_6_a9