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@article{DAN_1974_218_4_a4, author = {R. Rakhmankulov and E. Yakubov}, title = {On an extremal quasi-conformal mapping of closed {Riemann} surfaces}, journal = {Doklady Akademii Nauk}, pages = {761--763}, publisher = {mathdoc}, volume = {218}, number = {4}, year = {1974}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1974_218_4_a4/} }
R. Rakhmankulov; E. Yakubov. On an extremal quasi-conformal mapping of closed Riemann surfaces. Doklady Akademii Nauk, Tome 218 (1974) no. 4, pp. 761-763. http://geodesic.mathdoc.fr/item/DAN_1974_218_4_a4/