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@article{IVM_1993_10_a1, author = {I. A. Bikchantaev}, title = {Clifford's theorem on an open {Riemann} surface}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {13--14}, publisher = {mathdoc}, number = {10}, year = {1993}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1993_10_a1/} }
I. A. Bikchantaev. Clifford's theorem on an open Riemann surface. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 10 (1993), pp. 13-14. http://geodesic.mathdoc.fr/item/IVM_1993_10_a1/