00331nas a22001097a 4500008004100000022001400041245007100055260005800126300001400184362000700198650001600205190206s9999    xx            000 0 und d  a0192-5857  aAbstracts of Papers Presented to the American Mathematical Society  aProvidence, R.I.bAmerican Mathematical Societyc1984  av.b25 cm  aNA  aMathematics