TY - JOUR AU - A. A. Fomin TI - A~category of matrices representing two categories of Abelian groups JO - Fundamentalʹnaâ i prikladnaâ matematika PY - 2007 SP - 223 EP - 244 VL - 13 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FPM_2007_13_3_a20/ LA - ru ID - FPM_2007_13_3_a20 ER -