00382nam a2200121Ia 4500082002100000100008600021245005300107260005200160300000600212500000500218653000600223700003100229  a510.6PbSy989.10  aSymposia in Pure Mathematics, 10th, Univ. of Chicago, Illinois, April 20-22, 1966  aSingular integralsbcEd. by Alberto P. Calderon  aProvidencebAmerican Mathematical Societyc1967  a   a  a   aCalderon, Alberto P. ; ed.