00481nam a2200169Ia 4500100001800000110002400018245004600042260002400088300001000112490004600122490000500168690000600173952008800179964001700267921001000284999001700294  aDitters, Bert  aUniversite Paris XI  aGroupes formelsbCours 3e cycle 1973-1974  aOrsay, Francec1975  a108p.  aPublications Mathematiques D'Orsay; 75-42  a  a   00102ddc4070aISIbISId1999-09-15l0pG419r2019-02-11 00:00:00w2019-02-11yBK  abcdefg  a19025  c19025d19025