@article{1103043226,
author = {Dedecker, Paul},
title = {A property of differential forms in the calculus of variations.},
journal = {Pacific J. Math.},
volume = {7},
number = {4},
year = {1957},
pages = { 1545-1549},
language = {en},
url = {http://dml.mathdoc.fr/item/1103043226}
}
Dedecker, Paul. A property of differential forms in the calculus of variations.. Pacific J. Math., Tome 7 (1957) no. 4, pp. 1545-1549. http://gdmltest.u-ga.fr/item/1103043226/