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@article{DAN_1982_263_4_a6, author = {P. P. Zabreiko and A. V. Zafievskii}, title = {On general conditions for a minimum}, journal = {Doklady Akademii Nauk}, pages = {798--801}, publisher = {mathdoc}, volume = {263}, number = {4}, year = {1982}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1982_263_4_a6/} }
P. P. Zabreiko; A. V. Zafievskii. On general conditions for a minimum. Doklady Akademii Nauk, Tome 263 (1982) no. 4, pp. 798-801. http://geodesic.mathdoc.fr/item/DAN_1982_263_4_a6/