%0 Journal Article %A V. G. Tsirulik %A F. A. Brusentsev %T The equivalence of the properties of commutative factorizability and reducibility of linear differential operators %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1976 %P 81-84 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1976_8_a10/ %G ru %F IVM_1976_8_a10