@article{DAN_1986_287_2_a15,
     author = {W. I. Fushchych and S. L. Slavutskii},
     title = {Nonlinear {Galilei-invariant} generalization of {Lam\'e} equations},
     journal = {Doklady Akademii Nauk},
     pages = {320--323},
     publisher = {mathdoc},
     volume = {287},
     number = {2},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1986_287_2_a15/}
}