TY - JOUR AU - N. V. Korovina TI - Maximally symmetric bifurcations of Morse functions on two-dimensional surfaces JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1999 SP - 13 EP - 19 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_1999_2_a3/ LA - ru ID - VMUMM_1999_2_a3 ER -