A.M.S.-I.M.S.-S.I.A.M. Joint Summer Research Conference in the Mathematical Sciences on Group Actions on Manifolds (1983 : University of Colorado)
Joint Summer Research Conference in the Mathematical Sciences on Group Actions on Manifolds, AMS-IMS-SIAM
Conference in the Mathematical Sciences on Group Actions on Manifolds, AMS-IMS-SIAM Joint Summer Research
Mathematical Sciences on Group Actions on Manifolds, AMS-IMS-SIAM Joint Summer Research Conference in the
Conference on Group Actions on Manifolds (1983 : University of Colorado