000 00320nam a2200109 a 4500
001 DB143
040 _aIIITKL
_beng
_cIIITKL
100 _aErwin Kreyszig.
245 _aAdvanced Engineering Mathematics /
_cErwin Kreyszig.
260 _a[Place of publication not identified] :
_bRavi Book House.
999 _c2878
_d2878