%0 Journal Article %A G. B. Sizykh %T Closed vortex lines in fluid and gas %J Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences %D 2019 %P 407-416 %V 23 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/VSGTU_2019_23_3_a0/ %G en %F VSGTU_2019_23_3_a0