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@article{DAN_1971_200_6_a2, author = {D. A. Gudkov}, title = {Construction of a new series of $M$-curves}, journal = {Doklady Akademii Nauk}, pages = {1269--1272}, publisher = {mathdoc}, volume = {200}, number = {6}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1971_200_6_a2/} }
D. A. Gudkov. Construction of a new series of $M$-curves. Doklady Akademii Nauk, Tome 200 (1971) no. 6, pp. 1269-1272. http://geodesic.mathdoc.fr/item/DAN_1971_200_6_a2/