000 00304nam a2200109Ia 4500
008 250217s9999 xx 000 0 und d
022 _a2730979
082 _a510.5
_bBUL
245 0 _aBulletin of The American Mathematical Society
260 _bAmerican Mathematical Society, America
_aUSA
942 _cPRBP
999 _c188545
_d188544