Balakrishnan, A. V. (1969). Control theory and the calculus of variations. Academic press.
Chicago Edition CitationBalakrishnan, A V. Control Theory and the Calculus of Variations. New York: Academic press, 1969.
MLA Edition CitationBalakrishnan, A V. Control Theory and the Calculus of Variations. Academic press, 1969.
Warning: These citations may not always be 100% accurate.