@article {IOPORT.05998472,
    author       = {Martynenko, Yu.G. and Formal'skii, A.M.},
    title        = {Pendulum on a movable base.},
    year         = {2011},
    journal      = {Doklady Mathematics},
    volume       = {84},
    number       = {1},
    issn         = {1064-5624},
    pages        = {594-599},
    publisher    = {Maik Nauka/Interperiodica, Moscow; Pleiades Publishing, New York; Springer, Secaucus, NJ},
    doi          = {10.1134/S1064562411050115},
    identifier   = {05998472},
}