TY - BOOK AU - Abell, Martha L. TI - Modern differential equations SN - 0030287049 (hb) U1 - 515.35 PY - 2001/// CY - Australia PB - Thomson Learning KW - Differential equations -- Mathematics KW - Graphical differential equations KW - Differential equation's application KW - Boundary value problem KW - Laplace transform KW - Fourier series KW - FEAS ER -