Edwards & Penney 0 281 Elementary Differential Equations with Boundary Value Problems – Edwards, Penney – 5th Edition
Edwards & Penney 0 330 Elementary Differential Equations with Boundary Value Problems – Edwards, Penney – 6th Edition
Edwards & Penney 0 886 Differential Equations and Boundary Value Problems – Edwards & Penney – 4th Edition
Edwards & Penney 0 681 Differential Equations and Boundary Value Problems – Edwards & Penney – 2nd Edition