00299nam a2200121Ia 4500082001800000100001700018245003100035260004200066300000600108490005300114500000500167700000500172  a515.9bK82.LI  aKoosis, Paul  aThe logarithmic integralb  aCambridgebCambridge University Press  a   aCambridge studies in Advanced Mathematicsv v.12  a  a