@article{1183533905, author = {Smith, R. T.}, title = {Harmonic mappings of spheres}, journal = {Bull. Amer. Math. Soc.}, volume = {78}, number = {4}, year = {1972}, pages = { 593-596}, language = {en}, url = {http://dml.mathdoc.fr/item/1183533905} }
Smith, R. T. Harmonic mappings of spheres. Bull. Amer. Math. Soc., Tome 78 (1972) no. 4, pp. 593-596. http://gdmltest.u-ga.fr/item/1183533905/