@article{01046343,
title = {Optimal control of nonsmooth system governed by quasi-linear elliptic equations.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {20},
year = {1997},
pages = {339-346},
doi = {10.1155/S0161171297000458},
zbl = {0894.49015},
language = {en},
url = {http://dml.mathdoc.fr/item/01046343}
}
Gong, Liutang; Fei, Pusheng. Optimal control of nonsmooth system governed by quasi-linear elliptic equations.. International Journal of Mathematics and Mathematical Sciences, Tome 20 (1997) pp. 339-346. doi : 10.1155/S0161171297000458. http://gdmltest.u-ga.fr/item/01046343/