@article{DAN_1981_257_3_a14,
     author = {V. L. Novikov},
     title = {The variational principle of advective motions},
     journal = {Doklady Akademii Nauk},
     pages = {578--580},
     publisher = {mathdoc},
     volume = {257},
     number = {3},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1981_257_3_a14/}
}