@article{GDZPPN002022400,
title = {A Canonical Formalism for Multiple Integral Problems in the Calculus of Variation. (Short Communication).},
journal = {Aequationes mathematicae},
volume = {1},
year = {1968},
pages = {211-212},
zbl = {0293.49001},
url = {http://dml.mathdoc.fr/item/GDZPPN002022400}
}
Rund, Hanno. A Canonical Formalism for Multiple Integral Problems in the Calculus of Variation. (Short Communication).. Aequationes mathematicae, Tome 1 (1968) pp. 211-212. http://gdmltest.u-ga.fr/item/GDZPPN002022400/