found: Burghelea, D. Actiuni diferentiabile de grupuri Lie compacte, 1975.
found: Geometry of Hamiltonian systems, c1991:CIP t.p. (Tudor Ratiu) t.p. verso (Dept. of Mathematics, Univ. of Calif. at Santa Cruz)
found: Mechanics day, c1996:CIP t.p. (Tudor Stefan Ratiu)
found: Info. converted from 678, 2012-10-02(b. 3/18/50)
found: Convexity of singular affine structures and toric-focus integrable Hamiltonian systems, 2023:ECIP title page (Tudor S. Ratiu)
found: ORCID, August 5, 2023(Tudor Ratiu; professor of mathematics at École Polytechnique Fédérale de Lausanee since July 1998; Ph.D. in mathematics from UC Berkeley)
