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@article{IVM_1964_4_a0, author = {L. A. Aksent'ev}, title = {Indices of functions on {Riemann} surfaces and their applications}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {3--8}, publisher = {mathdoc}, number = {4}, year = {1964}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1964_4_a0/} }
L. A. Aksent'ev. Indices of functions on Riemann surfaces and their applications. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 4 (1964), pp. 3-8. http://geodesic.mathdoc.fr/item/IVM_1964_4_a0/