@article{EJDE_2012__2012__a43,
     author = {Parasyuk, Igor and Rustamova, Anna},
     title = {Variational approach for weak quasiperiodic solutions of quasiperiodically excited {Lagrangian} systems on {Riemannian} manifolds},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {2012},
     year = {2012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2012__2012__a43/}
}