000 00340nam a2200145Ia 4500
008 190529s9999 xx 000 0 und d
020 _a45120196
082 _a510
_bWIL
100 _aWilliams, J.
245 0 _aComplex numbers
260 _aLondon
_bGeorge Allen & Unwin
_c1972
300 _a88 p.
650 _aMathematics
942 _cS
999 _c115218
_d115217