TY - JOUR AU - T. Yu. Neretina TI - Action of free commuting involutions on closed two-dimensional manifolds JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 2021 SP - 44 EP - 47 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_2021_4_a7/ LA - ru ID - VMUMM_2021_4_a7 ER -