Media type: E-Article Title: Calculus of variations and optimal control theory Contributor: Sagan, Hans imprint: Elsevier BV, 1971 Published in: Journal of the Franklin Institute Language: English DOI: 10.1016/0016-0032(71)90186-4 ISSN: 0016-0032 Keywords: Applied Mathematics ; Computer Networks and Communications ; Signal Processing ; Control and Systems Engineering Origination: Footnote: