Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1977_234_5_a2, author = {V. V. Aseev and A. K. Varisov}, title = {On a test for quasi-conformality of mappings of smooth surfaces}, journal = {Doklady Akademii Nauk}, pages = {1001--1003}, publisher = {mathdoc}, volume = {234}, number = {5}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1977_234_5_a2/} }
V. V. Aseev; A. K. Varisov. On a test for quasi-conformality of mappings of smooth surfaces. Doklady Akademii Nauk, Tome 234 (1977) no. 5, pp. 1001-1003. http://geodesic.mathdoc.fr/item/DAN_1977_234_5_a2/