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@article{DAN_1984_276_6_a19, author = {S. A. Feodorov}, title = {An approach to the estimation of measure and cardinality of balls}, journal = {Doklady Akademii Nauk}, pages = {1360--1364}, publisher = {mathdoc}, volume = {276}, number = {6}, year = {1984}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1984_276_6_a19/} }
S. A. Feodorov. An approach to the estimation of measure and cardinality of balls. Doklady Akademii Nauk, Tome 276 (1984) no. 6, pp. 1360-1364. http://geodesic.mathdoc.fr/item/DAN_1984_276_6_a19/