TY - JOUR AU - E. A. Barbashin TI - Conditions for invariance of stability of solutions of integro-differential equations JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1957 SP - 25 EP - 34 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1957_1_a3/ LA - ru ID - IVM_1957_1_a3 ER -