%0 Journal Article %A S. V. Alekseenko %A P. A. Kuibin %A V. L. Okulov %A S. I. Shtork %T A stationary vortex with variable helical symmetry %J Doklady Akademii Nauk %D 1995 %P 611-614 %V 345 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1995_345_5_a8/ %G ru %F DAN_1995_345_5_a8