La Salle, J. P., & Lefschetz, S. (1963). International symposium on nonlinear differential equations and nonlinear mechanics. Academic Press.
Cita Chicago Style (17a ed.)La Salle, Joseph P., y Solomon Lefschetz. International Symposium on Nonlinear Differential Equations and Nonlinear Mechanics. New York: Academic Press, 1963.
Cita MLA (9a ed.)La Salle, Joseph P., y Solomon Lefschetz. International Symposium on Nonlinear Differential Equations and Nonlinear Mechanics. Academic Press, 1963.
Precaución: Estas citas no son 100% exactas.