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@article{MZM_1988_44_3_a4, author = {V. N. Dubinin}, title = {Distortion theorem in the theory of conformal mappings}, journal = {Matemati\v{c}eskie zametki}, pages = {341--351}, publisher = {mathdoc}, volume = {44}, number = {3}, year = {1988}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1988_44_3_a4/} }
V. N. Dubinin. Distortion theorem in the theory of conformal mappings. Matematičeskie zametki, Tome 44 (1988) no. 3, pp. 341-351. http://geodesic.mathdoc.fr/item/MZM_1988_44_3_a4/