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@article{MZM_1974_16_2_a3, author = {V. G. Sheretov}, title = {Uniqueness of extremal quasiconformal mappings of {Teichm\"uller} type}, journal = {Matemati\v{c}eskie zametki}, pages = {213--220}, publisher = {mathdoc}, volume = {16}, number = {2}, year = {1974}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1974_16_2_a3/} }
V. G. Sheretov. Uniqueness of extremal quasiconformal mappings of Teichmüller type. Matematičeskie zametki, Tome 16 (1974) no. 2, pp. 213-220. http://geodesic.mathdoc.fr/item/MZM_1974_16_2_a3/