%0 Journal Article %A N. N. Fimin %A V. M. Chechetkin %T The Possibility of Introducing of Metric Structure in Vortex Hydrodynamic Systems %J Russian journal of nonlinear dynamics %D 2018 %P 495-501 %V 14 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/ND_2018_14_4_a4/ %G en %F ND_2018_14_4_a4