@article{1183495758, author = {Shook, C. A.}, title = {An extension of Lagrange's equations}, journal = {Bull. Amer. Math. Soc.}, volume = {38}, number = {12}, year = {1932}, pages = { 135-144}, language = {en}, url = {http://dml.mathdoc.fr/item/1183495758} }
Shook, C. A. An extension of Lagrange's equations. Bull. Amer. Math. Soc., Tome 38 (1932) no. 12, pp. 135-144. http://gdmltest.u-ga.fr/item/1183495758/