TY - BOOK AU - Kells,Lyman M. TI - Elementary differential equations U1 - 517.38 PY - 1965/// CY - New York PB - McGraw-Hill KW - Differential equations N1 - includes index ; 1. Definitions and elementary problems; 2. Applications; 3. Differential equations of the first order and the first degree; 4. Applications involving differential equations of the first order; 5. First order equations of degree higher than the firs; 6. Linear differential equations with constant coefficients; 7. Laplace transforms; 8. Applications of linear equations with constant coefficients; 9. Miscellaneous differential equations of order higher than the first 10. Applications 11. Existence theorems and applications 12. Numerical solutions of differential equations 13. Partial differential equations 14. Applications of partial differential equations ER -