%0 Journal Article %A V. E. Zakharov %A E. A. Kuznetsov %T Variational principle and canonical variables in magnetohydrodynamics %J Doklady Akademii Nauk %D 1970 %P 1288-1289 %V 194 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1970_194_6_a11/ %G ru %F DAN_1970_194_6_a11