@article{DAN_1963_149_3_a5,
     author = {Laǐ Dyk Thin'},
     title = {The number of divisors in an angle},
     journal = {Doklady Akademii Nauk},
     pages = {513--515},
     publisher = {mathdoc},
     volume = {149},
     number = {3},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_149_3_a5/}
}