TY - JOUR AU - V. G. Pestov TI - A class of almost metrizable topological groups which is not closed with respect to extensions JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1985 SP - 72 EP - 73 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_1985_4_a14/ LA - ru ID - VMUMM_1985_4_a14 ER -