@article{SM_1987_56_1_a5,
     author = {A. I. Shnirel'man},
     title = {On the geometry of the group of diffeomorphisms and the dynamics of an ideal incompressible fluid},
     journal = {Sbornik. Mathematics},
     pages = {79--105},
     publisher = {mathdoc},
     volume = {56},
     number = {1},
     year = {1987},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1987_56_1_a5/}
}