@article{DAN_1993_333_6_a9,
     author = {V. A. Zhelnorovich},
     title = {Derivatives for spinor fields in a three-dimensional space and},
     journal = {Doklady Akademii Nauk},
     pages = {722--724},
     year = {1993},
     volume = {333},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1993_333_6_a9/}
}