%0 Journal Article %A Vit. V. Volchkov %A N. P. Volchkova %T Vector fields with zero flux through spheres of fixed radius %J Vladikavkazskij matematičeskij žurnal %D 2018 %P 20-34 %V 20 %N 4 %U http://geodesic.mathdoc.fr/item/VMJ_2018_20_4_a1/ %G ru %F VMJ_2018_20_4_a1