000 00402nam a2200145Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a510.1
_bH491
100 _aHempel C G
245 _aOn the nature of mathematical truth
500 _aRep. from the American mathematical Monthly; V.52,no10;1945; p543-556
650 _aMathematics
942 _cBK
999 _c101940
_d101940