%0 Journal Article %A S. A. Zaytsev %T An estimate for the number of groups with one relation that have corank $1$ %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1997 %P 55-57 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1997_4_a17/ %G ru %F VMUMM_1997_4_a17