000 00313nam a2200133Ia 4500
008 210901s1965 xx 000 0 eng d
082 _a512 HEA
100 _aHeading, J.
245 0 _aAlgebra and complex numbers
260 _aLondon
_bPergamon
_c1965
300 _a184
650 _aMathematics
942 _2ddc
_cBK
999 _c1103
_d1103