Introduction to Differential Equations - Textbook Binding - ACCEPTABLE

Introduction to Differential Equations by William E. Boyce; Richard C. DiPrima

Introduction to Ordinary Differential Equations

Introduction to Differential Equati..., Richard C. DiPr

Introduction to Partial Differential Equations by Don Greenspan (1961 hardcover)

Introduction to the Differential Equations of Physics Dover Publi

Introduction to the Differential Equations of Physics

Introduction to Partial Differential Equations for Science Students by G. Stephe