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@article{DAN_1979_244_6_a5, author = {L. I. Kamynin and B. N. Khimchenko}, title = {Investigations on the isotropic strict extremum principle}, journal = {Doklady Akademii Nauk}, pages = {1312--1316}, publisher = {mathdoc}, volume = {244}, number = {6}, year = {1979}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1979_244_6_a5/} }
L. I. Kamynin; B. N. Khimchenko. Investigations on the isotropic strict extremum principle. Doklady Akademii Nauk, Tome 244 (1979) no. 6, pp. 1312-1316. http://geodesic.mathdoc.fr/item/DAN_1979_244_6_a5/