00292nam a2200121Ia 4500082002000000100001900020245003400039260003400073300001400107490003900121500000500160700000500165  a515.1bSe475.RV  aSeneta, Eugene  aRegularly varying functionsb  aBerlinbSpringer-Verlagc1976  aiv, 112p.  aLecture notes in Mathematicsv 508  a  a