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@article{DAN_1960_132_4_a6, author = {N. A. Lebedev}, title = {Area principle in the problem of non-overlapping regions}, journal = {Doklady Akademii Nauk}, pages = {758--761}, publisher = {mathdoc}, volume = {132}, number = {4}, year = {1960}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1960_132_4_a6/} }
N. A. Lebedev. Area principle in the problem of non-overlapping regions. Doklady Akademii Nauk, Tome 132 (1960) no. 4, pp. 758-761. http://geodesic.mathdoc.fr/item/DAN_1960_132_4_a6/