Levitt, Norman; Sussmann, Hector J. On controllability by means of two vector fields. (English) Zbl 0313.93006 SIAM J. Control 13, 1271-1281 (1975). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 19 Documents MSC: 93B05 Controllability 93C25 Control/observation systems in abstract spaces PDFBibTeX XMLCite \textit{N. Levitt} and \textit{H. J. Sussmann}, SIAM J. Control 13, 1271--1281 (1975; Zbl 0313.93006) Full Text: DOI