000 00292nam a2200109Ia 4500
008 201121s9999 xx 000 0 und d
100 _aWallach,N.R.
245 0 _aBulletin of the American Mathematical Society
260 _bU S A: American Mathmetical Society
300 _c460
942 _cBV
999 _c16656
_d16656