000 00290nam a2200121Ia 4500
008 190719s9999 xx 000 0 und d
100 _aMurray R. Spiegel & Others
245 0 _acomplex Variables
250 _a2nd
260 _aChennai
_bMcgraw Hill
_c2017
650 _aMath
942 _cBK
999 _c15697
_d15697