TY - BOOK AU - Boyce,William E. AU - DiPrima,Richard C. TI - Elementary differential equations and boundary value problems / U1 - 515.35 BOY PY - 1965/// CY - New York : PB - J. Wiley , KW - Differential equations KW - Boundary value problems N1 - Inludes bibliographical references (p. 435) ER -