@article{02171798,
title = {Monotonicity and differential properties of the value functions in optimal control.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {2004},
year = {2004},
pages = {3513-3540},
doi = {10.1155/S0161171204310306},
zbl = {1082.49032},
language = {en},
url = {http://dml.mathdoc.fr/item/02171798}
}
Mirică, Ştefan. Monotonicity and differential properties of the value functions in optimal control.. International Journal of Mathematics and Mathematical Sciences, Tome 2004 (2004) pp. 3513-3540. doi : 10.1155/S0161171204310306. http://gdmltest.u-ga.fr/item/02171798/