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@article{DAN_1989_309_4_a22, author = {Yu. P. Pyt'ev}, title = {Reliability of measurement reduction}, journal = {Doklady Akademii Nauk}, pages = {855--859}, publisher = {mathdoc}, volume = {309}, number = {4}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1989_309_4_a22/} }
Yu. P. Pyt'ev. Reliability of measurement reduction. Doklady Akademii Nauk, Tome 309 (1989) no. 4, pp. 855-859. http://geodesic.mathdoc.fr/item/DAN_1989_309_4_a22/