00384nam a2200133Ia 4500082002100000100002000021245007100041250000800112260004900120300002800169490004300197500000500240700000500245  a515.24bSt819.SI  aStein, Elias M.  aSingular integrals and differentiability properties of functionsb  a3rd  aNew JerseybPrinceton University Pressc1979  axiv, 287p. Index, Bibl.  aPrinceton Mathematical seriesv no. 30  a  a