@article{1183417427, author = {Hedrick, E. R.}, title = {A German Calculus for Engineers}, journal = {Bull. Amer. Math. Soc.}, volume = {10}, number = {3}, year = {1903}, pages = { 434-442}, language = {en}, url = {http://dml.mathdoc.fr/item/1183417427} }
Hedrick, E. R. A German Calculus for Engineers. Bull. Amer. Math. Soc., Tome 10 (1903) no. 3, pp. 434-442. http://gdmltest.u-ga.fr/item/1183417427/