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@article{DAN_1965_163_1_a4, author = {R. I. Zarosskii}, title = {On the problem of necessary and sufficient conditions for an absolute minimum}, journal = {Doklady Akademii Nauk}, pages = {26--29}, publisher = {mathdoc}, volume = {163}, number = {1}, year = {1965}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1965_163_1_a4/} }
R. I. Zarosskii. On the problem of necessary and sufficient conditions for an absolute minimum. Doklady Akademii Nauk, Tome 163 (1965) no. 1, pp. 26-29. http://geodesic.mathdoc.fr/item/DAN_1965_163_1_a4/