%0 Journal Article %A P. A. Krylov %T Sums of automorphisms of abelian groups, and the Jacobson radical of the endomorphism ring %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1976 %P 56-66 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1976_4_a5/ %G ru %F IVM_1976_4_a5