%0 Journal Article %A N. V. Korovina %T Maximally symmetric bifurcations of Morse functions on two-dimensional surfaces %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1999 %P 13-19 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1999_2_a3/ %G ru %F VMUMM_1999_2_a3