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@article{DAN_1987_294_6_a4, author = {A. V. Tyrin}, title = {Regularity of harmonic mappings as a consequence of an instability}, journal = {Doklady Akademii Nauk}, pages = {1306--1309}, publisher = {mathdoc}, volume = {294}, number = {6}, year = {1987}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1987_294_6_a4/} }
A. V. Tyrin. Regularity of harmonic mappings as a consequence of an instability. Doklady Akademii Nauk, Tome 294 (1987) no. 6, pp. 1306-1309. http://geodesic.mathdoc.fr/item/DAN_1987_294_6_a4/