Banks, H. T. Necessary conditions for control problems with variable time lags. (English) Zbl 0159.13002 SIAM J. Control 6, 9-47 (1968). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 44 Documents Keywords:ordinary differential equations PDF BibTeX XML Cite \textit{H. T. Banks}, SIAM J. Control 6, 9--47 (1968; Zbl 0159.13002) Full Text: DOI OpenURL