@article{DAN_1970_194_6_a11,
     author = {V. E. Zakharov and E. A. Kuznetsov},
     title = {Variational principle and canonical variables in magnetohydrodynamics},
     journal = {Doklady Akademii Nauk},
     pages = {1288--1289},
     publisher = {mathdoc},
     volume = {194},
     number = {6},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1970_194_6_a11/}
}