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@article{DAN_1977_233_6_a3, author = {V. V. Glazyrin}, title = {Topological and metric properties of $k$-saddle surfaces}, journal = {Doklady Akademii Nauk}, pages = {1028--1030}, publisher = {mathdoc}, volume = {233}, number = {6}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1977_233_6_a3/} }
V. V. Glazyrin. Topological and metric properties of $k$-saddle surfaces. Doklady Akademii Nauk, Tome 233 (1977) no. 6, pp. 1028-1030. http://geodesic.mathdoc.fr/item/DAN_1977_233_6_a3/