%0 Journal Article %A V. G. Pestov %T Some topological properties preserved by the relation of~$M$-equivalence %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1984 %P 223-224 %V 39 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1984_39_6_a12/ %G en %F RM_1984_39_6_a12