TY - JOUR AU - A. N. Rumyantsev TI - Investigation of the solvability of boundary value problems with application of vector a~priori inequalities in the presence of impulse perturbations JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1994 SP - 75 EP - 82 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1994_6_a9/ LA - ru ID - IVM_1994_6_a9 ER -