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@article{TM_1967_88_a3, author = {Yu. N. Subbotin}, title = {Functional interpolation in the mean with smallest $n$~derivative}, journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova}, pages = {30--60}, publisher = {mathdoc}, volume = {88}, year = {1967}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TM_1967_88_a3/} }
Yu. N. Subbotin. Functional interpolation in the mean with smallest $n$~derivative. Trudy Matematicheskogo Instituta imeni V.A. Steklova, Approximation of functions in the mean, Tome 88 (1967), pp. 30-60. http://geodesic.mathdoc.fr/item/TM_1967_88_a3/