000 00350nam a2200145Ia 4500
005 20260205040149.0
008 260111s9999||||xx |||||||||||||| ||und||
082 _a510 R911P
100 _aRUSSELL BERTRAND
245 0 _aPRINCIPLES OF MATHEMATICS
260 _aLONDON
_bALLEN AND UNWIN
_c1951
300 _a534
690 _aMATHEMATICS
942 _cBK
999 _c1057
_d1057