Beltiţă, D.Ratiu, Tudor S.Tumpach, A. B.2008-11-212008-11-212008-11-21200710.1016/j.jfa.2007.03.001https://infoscience.epfl.ch/handle/20.500.14299/31563WOS:000246633000004The restricted Grassmannian, Banach Lie-Poisson spaces, and coadjoint orbitstext::journal::journal article::research article