TY - BOOK AU - Zill Dennis G TI - A First Course on Differential Equations with Applications / Fourth Edition SN - 534980740 PY - 1989/// PB - Pws-Kent Publishing Company N2 - Introduction to Differential Equations, First-Order Differential Equations, Applications of First-Order Differential Equations, Linear Differential Equations of Higher Order, Applications of Second-Order Differential Equations: Vibrational Models, Differential Equations with Variable Coefficients, Laplace Transform, Systems of Linear Differential Equations, Numerical Methods, Partial Differential Equations, Appendices, Answers to Odd-Numbered Problems, Index ER -