TY - JOUR AU - A. I. Generalov TI - Relative homological algebra in pre-abelian categories. I.~Derived categories JO - Algebra i analiz PY - 1992 SP - 98 EP - 119 VL - 4 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AA_1992_4_1_a3/ LA - ru ID - AA_1992_4_1_a3 ER -