Introduction to nonlinear differential and integral equations.
APA Citation
Davis, H. Thayer. (1961). Introduction to nonlinear differential and integral equations. [Washington: Government Printing Office.
MLA Citation
Davis, Harold Thayer, 1892-. Introduction to Nonlinear Differential And Integral Equations. [Washington: Government Printing Office, 1961.
Warning: These citations may not always be complete (especially for serials).