00302nam a2200121Ia 4500082002000000100002200020245004500042260003400087300001000121490003900131500000500170700000500175  a515.72bP744.SC  aPoenaru, Valentin  aSingularites C en presence de symetrieb  aBerlinbSpringer-Verlagc1976  a174p.  aLecture notes in Mathematicsv 510  a  a