@article{SM_1987_56_2_a8,
     author = {M. V. Novitskii},
     title = {On the recovery, from a~countable collection of polynomial conservation laws, of action variables for the {KdV} equation in the class of almost periodic functions},
     journal = {Sbornik. Mathematics},
     pages = {417--428},
     publisher = {mathdoc},
     volume = {56},
     number = {2},
     year = {1987},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1987_56_2_a8/}
}