@article{1183496572,
author = {Wintner, Aurel},
title = {Review: Friedrich Engel, Die Liesche Theorie der partiellen Differentialgleichungen erster Ordnung},
journal = {Bull. Amer. Math. Soc.},
volume = {39},
number = {12},
year = {1933},
pages = { 183-184},
language = {en},
url = {http://dml.mathdoc.fr/item/1183496572}
}
Wintner, Aurel. Review: Friedrich Engel, Die Liesche Theorie der partiellen Differentialgleichungen erster Ordnung. Bull. Amer. Math. Soc., Tome 39 (1933) no. 12, pp. 183-184. http://gdmltest.u-ga.fr/item/1183496572/