@article{10_21136_CMJ_1959_100364,
     author = {Vejvoda, Otto},
     title = {On the existence and stability of the periodic solution of the second kind of a certain mechanical system},
     journal = {Czechoslovak Mathematical Journal},
     pages = {390--415},
     publisher = {mathdoc},
     volume = {09},
     number = {3},
     year = {1959},
     doi = {10.21136/CMJ.1959.100364},
     mrnumber = {0111908},
     zbl = {0106.29501},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/articles/10.21136/CMJ.1959.100364/}
}