@article{DAN_1991_316_6_a8,
     author = {S. P. Strunkov},
     title = {Generalizations of {Euler's} divisibility theorem and other},
     journal = {Doklady Akademii Nauk},
     pages = {1323--1326},
     year = {1991},
     volume = {316},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_316_6_a8/}
}