000 00302nam a2200121Ia 4500
008 220204s9999 xx 000 0 und d
082 _a517.55
_bCHU
100 _aCHURCHILL, Ruel V
245 0 _aComplex variables and applications
250 _aEd.3
260 _aTokyo
_bMcGraw Hill
_c1974
942 _cBK
999 _c30481
_d30481