@article{1183415150, author = {Lovett, Edgar Odell}, title = {Certain classes of point transformations in the plane}, journal = {Bull. Amer. Math. Soc.}, volume = {4}, number = {3}, year = {1897}, pages = { 97-107}, language = {en}, url = {http://dml.mathdoc.fr/item/1183415150} }
Lovett, Edgar Odell. Certain classes of point transformations in the plane. Bull. Amer. Math. Soc., Tome 4 (1897) no. 3, pp. 97-107. http://gdmltest.u-ga.fr/item/1183415150/