%0 Journal Article %T Čtvrtá konference o nelineárních kmitech 1967 %J Applications of Mathematics %D 1967 %V 12 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/AM.1967.103071/ %R 10.21136/AM.1967.103071 %G cz %F 10_21136_AM_1967_103071