000 00277pam a2200133a 44500
082 _a511.7
_bH29m3
100 _aHausdorff, Felix
245 1 _aMENGENLEHRE
260 _aN. Y.
_bDover
_c1944
300 _a307
650 _aAggregates
964 _gCIRC
997 _a57980 C
999 _c426895
_d426895