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@article{IVM_1992_1_a10, author = {Yu. V. Kryakin and L. G. Kovalenko}, title = {Whitney constants in the classes $L^p,$ $1\le p<\infty$}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {69--77}, publisher = {mathdoc}, number = {1}, year = {1992}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1992_1_a10/} }
Yu. V. Kryakin; L. G. Kovalenko. Whitney constants in the classes $L^p,$ $1\le p<\infty$. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 1 (1992), pp. 69-77. http://geodesic.mathdoc.fr/item/IVM_1992_1_a10/