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@article{IVM_1970_3_a14, author = {I. V. Chebaevskaya}, title = {Generalized convexity and {Jensen's} inequality}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {91--95}, publisher = {mathdoc}, number = {3}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1970_3_a14/} }
I. V. Chebaevskaya. Generalized convexity and Jensen's inequality. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 3 (1970), pp. 91-95. http://geodesic.mathdoc.fr/item/IVM_1970_3_a14/