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@article{MZM_1988_44_1_a12, author = {Le Tu Quoc Thang}, title = {Structure of level surfaces of a {Morse} form}, journal = {Matemati\v{c}eskie zametki}, pages = {124--133}, publisher = {mathdoc}, volume = {44}, number = {1}, year = {1988}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1988_44_1_a12/} }
Le Tu Quoc Thang. Structure of level surfaces of a Morse form. Matematičeskie zametki, Tome 44 (1988) no. 1, pp. 124-133. http://geodesic.mathdoc.fr/item/MZM_1988_44_1_a12/