@article{10_1090_S0894_0347_2010_00686_8,
     author = {Knop, Friedrich},
     title = {Automorphisms of multiplicity free {Hamiltonian} manifolds},
     journal = {Journal of the American Mathematical Society},
     pages = {567--601},
     publisher = {mathdoc},
     volume = {24},
     number = {2},
     year = {2011},
     doi = {10.1090/S0894-0347-2010-00686-8},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-2010-00686-8/}
}