A course in differential equations with boundary value problems

A course in ordinary differential equations

Randall J. Swift

Lineĭnye different︠s︡ialʹnye operatory

M. A. Naĭmark

Method of Averaging for Differential Equations on an Infinite Interval

Vladimir Burd

Linear differential equations and group theory from Riemann to Poincaré

Jeremy J. Gray

Lectures on Cauchy's problem in linear partial differential equations

Jacques Hadamard

Elementary differential equations with linear algebra

Albert L. Rabenstein

Linear Integral Equations

Ram P. Kanwal