@article{1077492646, author = {Hestenes, Magnus R.}, title = {An analogue of Green's theorem in the calculus of variations}, journal = {Duke Math. J.}, volume = {8}, number = {1}, year = {1941}, pages = { 300-311}, language = {en}, url = {http://dml.mathdoc.fr/item/1077492646} }
Hestenes, Magnus R. An analogue of Green’s theorem in the calculus of variations. Duke Math. J., Tome 8 (1941) no. 1, pp. 300-311. http://gdmltest.u-ga.fr/item/1077492646/