@article{GDZPPN002321734,
title = {Grandient Estimates for Degenerate Diffusion Equations. I.},
journal = {Mathematische Annalen},
volume = {261},
year = {1982},
pages = {53-70},
zbl = {0465.35051},
url = {http://dml.mathdoc.fr/item/GDZPPN002321734}
}
Alikakos, Nicholas D.; Rostamian, Ruben. Grandient Estimates for Degenerate Diffusion Equations. I.. Mathematische Annalen, Tome 261 (1982) pp. 53-70. http://gdmltest.u-ga.fr/item/GDZPPN002321734/