000 00532nam a22001937a 4500
003 NUST - PNEC
005 20170116180823.0
008 150625b xxu||||| |||| 00| 0 eng d
020 _a0201077604
040 _cLIBRARY
082 _a515.35 SAN
100 _94216
_aSánchez, David A
245 _aDifferential equations an introduction
_c David A Sanchez
250 _a2nd ed
260 _aLondon
_bAddison-Wesley Pub. Co;
_cc1983.
300 _a516 p. :
650 _94217
_aDifferential equations
_xGeneral
942 _2ddc
_cBK
999 _c63797
_d63797