@article{DAN_1969_185_5_a1,
     author = {V. A. Baikov},
     title = {P.~Fatou's theorem for regular quaternionic functions},
     journal = {Doklady Akademii Nauk},
     pages = {977--980},
     publisher = {mathdoc},
     volume = {185},
     number = {5},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1969_185_5_a1/}
}