@article{MASLO_1993__43_5_a5,
     author = {Andres, J\'an and Stan\v{e}k, Svatoslav},
     title = {Note to the {Lagrange} stability of excited pendulum type equations},
     journal = {Mathematica slovaca},
     pages = {617--630},
     publisher = {mathdoc},
     volume = {43},
     number = {5},
     year = {1993},
     mrnumber = {1273714},
     zbl = {0870.34056},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1993__43_5_a5/}
}