@article{GDZPPN002404273,
title = {Lipschitz Continuous Solutions of Elliptic Equations of the Form ...(Du)D$^2$u = 0.},
journal = {Mathematische Zeitschrift},
volume = {111},
year = {1969},
pages = {211-216},
zbl = {0174.15801},
url = {http://dml.mathdoc.fr/item/GDZPPN002404273}
}
Trudinger, Neil S. Lipschitz Continuous Solutions of Elliptic Equations of the Form ...(Du)D²u = 0.. Mathematische Zeitschrift, Tome 111 (1969) pp. 211-216. http://gdmltest.u-ga.fr/item/GDZPPN002404273/