00439nam a22001457a 4500 140309b xxu||||| |||| 00| 0 eng d 0321045386 Cir. 515.35 D45 c1997 1431 Derrick, William R. Elementary differential equations 4th ed. United State of America : Addison-Wesley Educational Publishers INC. c1997 xvii, 404 p . : ddc CIR 2036 2036 0 0 ddc 0 0 Res SPMT-CAS SPMT-CAS 2014-03-09 0 Cir/515.35/D45/c1997 004517 2014-03-09 00:00:00 2014-03-09 BK 0 0 ddc 0 0 CIR SPMT-CAS SPMT-CAS 2015-06-03 0 Cir/515.35/D45/c1997 004518 2015-06-03 00:00:00 2015-06-03 BK