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@article{IVM_1989_10_a13, author = {Yu. A. Grigor'ev}, title = {An extremal problem with the {Wiener--Hopf} operator}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {68--70}, publisher = {mathdoc}, number = {10}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1989_10_a13/} }
Yu. A. Grigor'ev. An extremal problem with the Wiener--Hopf operator. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 10 (1989), pp. 68-70. http://geodesic.mathdoc.fr/item/IVM_1989_10_a13/