Troutman, J. L., & Hrusa, W. (1983). Variational calculus with elementary convexity. Springer-Verlag.
Chicago Style (17th ed.) CitationTroutman, John L., and W. Hrusa. Variational Calculus with Elementary Convexity. New York: Springer-Verlag, 1983.
MLA (9th ed.) CitationTroutman, John L., and W. Hrusa. Variational Calculus with Elementary Convexity. Springer-Verlag, 1983.
Warning: These citations may not always be 100% accurate.