%0 Journal Article %A E. A. Barbashin %T Conditions for invariance of stability of solutions of integro-differential equations %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1957 %P 25-34 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1957_1_a3/ %G ru %F IVM_1957_1_a3