@article{1183426038, author = {Emch, Arnold}, title = {Kinematics in a complex plane and some geometric applications}, journal = {Bull. Amer. Math. Soc.}, volume = {28}, number = {9}, year = {1922}, pages = { 251-257}, language = {en}, url = {http://dml.mathdoc.fr/item/1183426038} }
Emch, Arnold. Kinematics in a complex plane and some geometric applications. Bull. Amer. Math. Soc., Tome 28 (1922) no. 9, pp. 251-257. http://gdmltest.u-ga.fr/item/1183426038/