TY - BOOK AU - Boyce, William E. AU - Diprima, Richard C. TI - Elementary differential equations and boundary value problems SN - 0-471-83824-1 U1 - 515.353 PY - 1986/// CY - Singapore PB - John Wiley & Sons KW - Boundary value problems KW - Differential equations KW - Linear equations N1 - Includes index ER -