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@article{IVM_1969_8_a13, author = {S. R. Firshtein}, title = {A~certain compactness criterion in the {Banach} space~$C^{l+\alpha}[0,1]$}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {117--118}, publisher = {mathdoc}, number = {8}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1969_8_a13/} }
S. R. Firshtein. A~certain compactness criterion in the Banach space~$C^{l+\alpha}[0,1]$. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 8 (1969), pp. 117-118. http://geodesic.mathdoc.fr/item/IVM_1969_8_a13/