@article{1183486354, author = {Ettlinger, H. J.}, title = {Mathematics for Engineers}, journal = {Bull. Amer. Math. Soc.}, volume = {31}, number = {9-10}, year = {1925}, pages = { 74-76}, language = {en}, url = {http://dml.mathdoc.fr/item/1183486354} }
Ettlinger, H. J. Mathematics for Engineers. Bull. Amer. Math. Soc., Tome 31 (1925) no. 9-10, pp. 74-76. http://gdmltest.u-ga.fr/item/1183486354/