000 00290nas a2200085 a 4500
008 140527s9999 xx 000 0 und d
245 _aTransaetions of the American Mathematical Society
260 _bAmerican Mathematical Society
_aRhode Island
_c1991
530 _aVol:323;Issue:1-2;Month:Jan-Feb;
999 _c14847
_d14847