%0 Journal Article %A Vejvoda, Otto %T On the existence and stability of the periodic solution of the second kind of a certain mechanical system %J Czechoslovak Mathematical Journal %D 1959 %P 390-415 %V 09 %N 3 %I mathdoc %U https://geodesic-test.mathdoc.fr/articles/10.21136/CMJ.1959.100364/ %R 10.21136/CMJ.1959.100364 %G en %F 10_21136_CMJ_1959_100364