@article{GFA_1992__2_1_58146,
     author = {L. Polterovich and M. Bialy},
     title = {Hamiltonian {Diffeomorphisms} and {Lagrangian} {Distributions.}},
     journal = {Geometric and functional analysis},
     pages = {173--210},
     publisher = {mathdoc},
     volume = {2},
     number = {1},
     year = {1992},
     zbl = {0761.58010},
     url = {http://geodesic.mathdoc.fr/item/GFA_1992__2_1_58146/}
}