@article{TMF_1987_72_1_a3,
     author = {W. I. Fushchych and V. M. Shtelen'},
     title = {Reductions and exact solutions of a~nonlinear {Dirac} equation},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {35--44},
     year = {1987},
     volume = {72},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1987_72_1_a3/}
}