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@article{DAN_1996_347_5_a4, author = {B. P. Kufarev}, title = {On the length and area principle for planar mappings with bounded}, journal = {Doklady Akademii Nauk}, pages = {597--600}, publisher = {mathdoc}, volume = {347}, number = {5}, year = {1996}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1996_347_5_a4/} }
B. P. Kufarev. On the length and area principle for planar mappings with bounded. Doklady Akademii Nauk, Tome 347 (1996) no. 5, pp. 597-600. http://geodesic.mathdoc.fr/item/DAN_1996_347_5_a4/