BibTex format
@article{Bettiol:2013:10.1137/120880914,
author = {Bettiol, P and Boccia, A and Vinter, RB},
doi = {10.1137/120880914},
journal = {SIAM Journal on Control and Optimization},
pages = {3903--3917},
title = {Stratified Necessary Conditions for Differential Inclusions with State Constraints},
url = {http://dx.doi.org/10.1137/120880914},
volume = {51},
year = {2013}
}