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@article{CMH_1980__55_139845, author = {Kari Hag}, title = {The coefficients of quasiconformality of tori in n-space.}, journal = {Commentarii mathematici Helvetici}, pages = {559--575}, publisher = {mathdoc}, volume = {55}, year = {1980}, zbl = {0466.30016}, url = {http://geodesic.mathdoc.fr/item/CMH_1980__55_139845/} }
Kari Hag. The coefficients of quasiconformality of tori in n-space.. Commentarii mathematici Helvetici, Tome 55 (1980), pp. 559-575. http://geodesic.mathdoc.fr/item/CMH_1980__55_139845/