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@article{DAN_1967_176_3_a12, author = {A. S. Fokht}, title = {A lemma from the calculus of variations and its application to embedding theorems}, journal = {Doklady Akademii Nauk}, pages = {536--537}, publisher = {mathdoc}, volume = {176}, number = {3}, year = {1967}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1967_176_3_a12/} }
A. S. Fokht. A lemma from the calculus of variations and its application to embedding theorems. Doklady Akademii Nauk, Tome 176 (1967) no. 3, pp. 536-537. http://geodesic.mathdoc.fr/item/DAN_1967_176_3_a12/