000 00286nam a22001217a 4500
999 _c611022
_d611022
020 _a978007008538
082 _a515.9
_bSPI.C
100 _aSpiegel,Murray R& et al
245 _acomplex variables
250 _a2nd
260 _aChennai,
_bmc graw hill education,
_c2018.
942 _cBK