G. Barles and E. Chasseigne, Almost) Everything you always wanted to know about deterministic control problems in stratified domains, Netw. Heterog. Media, vol.10, issue.4, pp.809-836, 2015.
URL : https://hal.archives-ouvertes.fr/hal-01097167

A. Bressan and Y. Hong, Optimal control problems on stratified domains, Netw. Heterog. Media (electronic) and Errata corrige: Optimal control problems on stratified domains, Netw. Heterog. Media, vol.2, issue.8, pp.313-331, 2007.