TY - JOUR AU - A. V. Cherednikova TI - On the quasi-endomorphism rings of quasi-decomposable torsion-free Abelian groups of rank~$4$ with a~strongly indecomposable quasi-summand of rank~$2$ JO - Fundamentalʹnaâ i prikladnaâ matematika PY - 2015 SP - 209 EP - 225 VL - 20 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FPM_2015_20_5_a18/ LA - ru ID - FPM_2015_20_5_a18 ER -