000 00213 a2200097 4500
001 20340
100 _aMurray D A
245 _aIntroductory course in diff equs
260 _a
_bLongmans
_c
090 _c14831
_d14831
942 _aNUST-CAE
_cM
_c5371
999 _c255413
_d255413