000 00305nam a2200121Ia 4500
100 _aRueff, Marcel ; and & Jeger, Max
020 _a04 510031 4
942 _cBK
245 _aSets and boolean algebra
260 _aGeorge Allen & Unwin Ltd, London
_c1970
082 _a512.89 Rue/Jeg
300 _a192p
999 _c21138
_d21138