Title: Stability Theory of Differential Equations, Author: Richard Bellman
Title: Invariants of Quadratic Differential Forms, Author: Joseph Edmund Wright
Title: A First Look at Perturbation Theory, Author: James G. Simmonds
Title: Complex Variable Methods in Elasticity, Author: A. H. England
Title: Lectures on Partial Differential Equations, Author: I. G. Petrovsky
Title: Ordinary Differential Equations and Stability Theory: An Introduction, Author: David A. Sanchez
Title: An Introduction to Phase-Integral Methods, Author: John Heading
Title: Differential Forms, Author: Henri Cartan
Title: Differential Topology: An Introduction, Author: David B. Gauld
Title: Differential Manifolds, Author: Antoni A. Kosinski
Title: Schaum's Easy Outline of Differential Equations, Revised Edition, Author: Richard Bronson
Title: The Qualitative Theory of Ordinary Differential Equations: An Introduction, Author: Fred Brauer
Title: A Second Course in Elementary Differential Equations, Author: Paul Waltman
Title: Partial Differential Equations for Scientists and Engineers, Author: Stanley J. Farlow
Title: Partial Differential Equations: An Introduction, Author: David Colton
Title: Introduction to Partial Differential Equations and Hilbert Space Methods, Author: Karl E. Gustafson
Title: Numerical Solution of Nonlinear Boundary Value Problems with Applications, Author: Milan Kubicek
Title: Splines and Variational Methods, Author: P. M. Prenter
Title: Generalized Functions and Partial Differential Equations, Author: Avner Friedman
Title: Differential Equations, Author: F.G. Tricomi

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