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@article{IVM_1998_11_a5, author = {I. R. Kayumov}, title = {On an extremal problem in airfoil theory}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {41--46}, publisher = {mathdoc}, number = {11}, year = {1998}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1998_11_a5/} }
I. R. Kayumov. On an extremal problem in airfoil theory. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 11 (1998), pp. 41-46. http://geodesic.mathdoc.fr/item/IVM_1998_11_a5/