Wilcox, C. H. (1964). Asymptotic solutions of differential equations and their applications: Proceedings of a symposium conducted by the Mathematics Research Center, United States Army, at the University of Wisconsin, Madison, May 4-6, 1964. New York: John Wiley & Sons, Inc..

Wilcox, Calvin Hayden. Asymptotic Solutions of Differential Equations and Their Applications: Proceedings of a Symposium Conducted By the Mathematics Research Center, United States Army, At the University of Wisconsin, Madison, May 4-6, 1964. New York: John Wiley & Sons, Inc., 1964.

Wilcox, Calvin Hayden. Asymptotic Solutions of Differential Equations and Their Applications: Proceedings of a Symposium Conducted By the Mathematics Research Center, United States Army, At the University of Wisconsin, Madison, May 4-6, 1964. New York: John Wiley & Sons, Inc., 1964.