@article{GDZPPN002064014, title = {The coefficients of quasiconformality of tori in n-space.}, journal = {Commentarii mathematici Helvetici}, volume = {55}, year = {1980}, pages = {559-575}, zbl = {0466.30016}, url = {http://dml.mathdoc.fr/item/GDZPPN002064014} }
Hag, Kari. The coefficients of quasiconformality of tori in n-space.. Commentarii mathematici Helvetici, Tome 55 (1980) pp. 559-575. http://gdmltest.u-ga.fr/item/GDZPPN002064014/