%0 Journal Article %A T. Yu. Neretina %T Action of free commuting involutions on closed two-dimensional manifolds %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 2021 %P 44-47 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_2021_4_a7/ %G ru %F VMUMM_2021_4_a7