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@article{DAN_1969_187_1_a8, author = {I. S. Ovchinnikov}, title = {Metric properties of mappings which leave certain integral functionals bounded}, journal = {Doklady Akademii Nauk}, pages = {36--39}, publisher = {mathdoc}, volume = {187}, number = {1}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1969_187_1_a8/} }
I. S. Ovchinnikov. Metric properties of mappings which leave certain integral functionals bounded. Doklady Akademii Nauk, Tome 187 (1969) no. 1, pp. 36-39. http://geodesic.mathdoc.fr/item/DAN_1969_187_1_a8/