000 00291nam a2200121Ia 4500
008 160710s1963 xx 000 0 und d
082 _a511.1 COH
100 _aCOHEN, LEON W.
245 _aREAL NUMBER SYSTEM
260 _bD. VAN NOSTRAND CO., INC.
_c1963
300 _a116
942 _2ddc
_cB
999 _c30392
_d30392