TY - JOUR AU - S. Yu. Orevkov TI - Surgery of level hypersurfaces of a direct sum of two functions JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1984 SP - 10 EP - 13 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_1984_6_a2/ LA - ru ID - VMUMM_1984_6_a2 ER -