@article{DAN_1984_278_4_a19,
     author = {W. I. Fushchych and N. I. Serov},
     title = {Some exact solutions of the multidimensional nonlinear {Euler--Lagrange} equation},
     journal = {Doklady Akademii Nauk},
     pages = {847--851},
     publisher = {mathdoc},
     volume = {278},
     number = {4},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1984_278_4_a19/}
}