00430    a2200133   4500020002700000020003000027082001100057100002200068245012100090250001200211260002800223300002100251700002400272  a0471433381 (hardcover)  a9780471433385 (hardcover)  a515.351 aBoyce, William E.10aElementary differential equations and boundary value problems , 8th edition /cWilliam E. Boyce, Richard C. DiPrima.  a8th ed.  a[S.l.] :bWiley,c2004.  a800 p. ;c26 cm.1 aDiPrima, Richard C.