TY - JOUR AU - T. Amankulov TI - Approximate solution of a~system of integro-differential equations by means of majorant-minorant functions JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1968 SP - 6 EP - 12 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1968_4_a1/ LA - ru ID - IVM_1968_4_a1 ER -