@article{TMF_1970_4_3_a0,
     author = {N. M. Atakishiyev and I. A. Verdiev},
     title = {Invariant expansion of solutions of relativistic {Dirac-type} equations},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {281--292},
     year = {1970},
     volume = {4},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1970_4_3_a0/}
}