@article{01370654,
title = {Existence of extremal periodic solutions for quasilinear parabolic equations.},
journal = {Abstract and Applied Analysis},
volume = {2},
year = {1997},
pages = {257-270},
doi = {10.1155/S1085337597000389},
zbl = {0942.35014},
language = {en},
url = {http://dml.mathdoc.fr/item/01370654}
}
Carl, Siegfried. Existence of extremal periodic solutions for quasilinear parabolic equations.. Abstract and Applied Analysis, Tome 2 (1997) pp. 257-270. doi : 10.1155/S1085337597000389. http://gdmltest.u-ga.fr/item/01370654/