000 00392nam a2200157Ia 4500
008 170519s9999 xx 000 0 und d
041 _aEnglish
082 _a511.2/COH
100 _aLEON W. COHEN
245 _aREAL NUMBER SYSTEM
260 _bAFFILIATED EAST WEST PRESS
_aNEWDELHI
_c1963
300 _c116P
650 _aMATHEMATICS
650 _aPRINCIPLES OF MATHEMATICS
942 _cBK
999 _c67771
_d67771