@article{10_21136_CMJ_1986_102058,
     author = {Andres, J\'an},
     title = {Boundedness of solutions of the third order differential equation with oscillatory restoring and forcing terms},
     journal = {Czechoslovak Mathematical Journal},
     pages = {1--6},
     publisher = {mathdoc},
     volume = {36},
     number = {1},
     year = {1986},
     doi = {10.21136/CMJ.1986.102058},
     mrnumber = {822859},
     zbl = {0608.34039},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1986.102058/}
}