TY - JOUR AU - A. P. Kombarov TI - On the normality of $\Sigma_\mathfrak{m}$-products JO - Doklady Akademii Nauk PY - 1973 SP - 524 EP - 527 VL - 211 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1973_211_3_a3/ LA - ru ID - DAN_1973_211_3_a3 ER -