%0 Journal Article %A W. I. Fushchych %A V. M. Shtelen' %T On invariant solutions of the nonlinear Dirac equation %J Doklady Akademii Nauk %D 1983 %P 88-92 %V 269 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1983_269_1_a21/ %G ru %F DAN_1983_269_1_a21