Riemannian metrics on 2D-manifolds related to the Euler−Poinsot rigid body motion Bernard Bonnard, Olivier Cots, Jean-Baptiste Pomet and Nataliya Shcherbakova ESAIM: COCV, 20 3 (2014) 864-893 Published online: 10 June 2014 DOI: 10.1051/cocv/2013087