00360nam a2200121Ia 4500082001900000100002600019245004600045260006000091300000900151490006800160500000500228700000500233  a515.9bG311.CP  aGehring, Frederick W.  aCharacteristic properties of quasidisksb  aMontrealbLes Presses de L'Universite de Montrealc1982  a97p.  aUniv. of Montreal seminaire de mathematiques superieuresv v.84  a  a