000 00332nam a2200133Ia 4500
008 210901s1971 xx 000 0 eng d
082 _a512.7 COH
100 _aCohen, L.
245 4 _aThe structure of the real number system
260 _aNew Delhi
_bVan Nostrand
_c1971
300 _a116
650 _aMathematics
942 _2ddc
_cBK
999 _c7801
_d7801