@article{bwmeta1.element.bwnjournal-article-cmv18i1n15,
author = {J. Szarski},
title = {On an overdetermined system of non-linear partial differential equations of the first order},
journal = {Colloquium Mathematicae},
volume = {18},
year = {1967},
pages = {119-124},
zbl = {0149.30507},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-cmv18i1n15}
}
J. Szarski. On an overdetermined system of non-linear partial differential equations of the first order. Colloquium Mathematicae, Tome 18 (1967) pp. 119-124. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-cmv18i1n15/