%0 Journal Article %A Yu. F. Korobeinik %T On a class of differential equations of infinite order with variable coefficients %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1962 %P 73-80 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1962_4_a7/ %G ru %F IVM_1962_4_a7