TY - JOUR AU - V. A. Smirnov TI - Twisted tensor products and strong homotopy JO - Doklady Akademii Nauk PY - 1975 SP - 288 EP - 290 VL - 222 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1975_222_2_a6/ LA - ru ID - DAN_1975_222_2_a6 ER -