@article{1214435846, author = {Stone, A. P.}, title = {Conservation laws and differential concomitants}, journal = {J. Differential Geom.}, volume = {15}, number = {1}, year = {1980}, pages = { 595-603}, language = {en}, url = {http://dml.mathdoc.fr/item/1214435846} }
Stone, A. P. Conservation laws and differential concomitants. J. Differential Geom., Tome 15 (1980) no. 1, pp. 595-603. http://gdmltest.u-ga.fr/item/1214435846/