%0 Journal Article %A V. V. Markov %A G. B. Sizykh %T Existence criterion for the equations solution of ideal gas motion at given helical velocity %J Izvestiya VUZ. Applied Nonlinear Dynamics %D 2020 %P 643-652 %V 28 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVP_2020_28_6_a3/ %G ru %F IVP_2020_28_6_a3