%0 Journal Article %A G. A. Dombrovskii %T On the periodicity of a jet coming out of a symmetrical nozzle under rated conditions %J Doklady Akademii Nauk %D 1957 %P 58-61 %V 113 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1957_113_1_a13/ %G ru %F DAN_1957_113_1_a13