@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/