%0 Journal Article %A Lichardová, Hana %T Limit cycles in the equation of whirling pendulum with autonomous perturbation %J Applications of Mathematics %D 1999 %P 271-288 %V 44 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1023/A:1023080513150/ %R 10.1023/A:1023080513150 %G en %F 10_1023_A_1023080513150