TY - JOUR AU - A. V. Cherednikova TI - On quasi-endomorphism rings of some strongly indecomposable torsion-free Abelian groups of rank~4 JO - Čebyševskij sbornik PY - 2017 SP - 245 EP - 255 VL - 18 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CHEB_2017_18_2_a15/ LA - ru ID - CHEB_2017_18_2_a15 ER -