René Vidal Alessandro Chiuso Stefano Soatto Shankar Sastry 0001 Observability of Linear Hybrid Systems. 526-539 2003 conf/hybrid/2003 HSCC https://doi.org/10.1007/3-540-36580-X_38 https://www.wikidata.org/entity/Q56806157 db/conf/hybrid/hscc2003.html#VidalCSS03