%0 Journal Article %A A. Rybarski %A E. Strzelecki %T Frequency of oscillations of a synchronous motor %J Applicationes Mathematicae %D 1965 %P 157-167 %V 8 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/am-8-2-157-167/ %R 10.4064/am-8-2-157-167 %G en %F 10_4064_am_8_2_157_167