TY - JOUR AU - A. N. Rumyantsev AU - E. A. Fedyaev TI - Constructive investigation of the solvability of boundary value problems for systems of differential equations with concentrated delay in the presence of impulse actions JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1995 SP - 46 EP - 60 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1995_10_a6/ LA - ru ID - IVM_1995_10_a6 ER -