@article{GDZPPN002201399,
title = {Regularity of solutions of nonlinear degenerate parabolic systems.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {346},
year = {1984},
pages = {83-128},
zbl = {0527.35038},
url = {http://dml.mathdoc.fr/item/GDZPPN002201399}
}
DiBenedetto, E.; Friedman, Avner. Regularity of solutions of nonlinear degenerate parabolic systems.. Journal für die reine und angewandte Mathematik, Tome 346 (1984) pp. 83-128. http://gdmltest.u-ga.fr/item/GDZPPN002201399/