000 00306nam a2200109Ia 4500
008 250217s9999 xx 000 0 und d
022 _a29904
082 _a510.5
_bBUL
245 0 _aBulletin (New Series) of the American Mathematical Society
260 _bAmerican Mathematical Society
_aUSA
942 _cPRBP
999 _c188151
_d188150