@article{05561934,
title = {Second order tangency conditions and differential inclusions: a counterexample and a remedy.},
journal = {Electronic Journal of Differential Equations (EJDE) [electronic only]},
volume = {2009},
year = {2009},
zbl = {1177.34018},
language = {en},
url = {http://dml.mathdoc.fr/item/05561934}
}
Ursescu, Corneliu. Second order tangency conditions and differential inclusions: a counterexample and a remedy.. Electronic Journal of Differential Equations (EJDE) [electronic only], Tome 2009 (2009) . http://gdmltest.u-ga.fr/item/05561934/