@article{VMUMM_1992_4_a13,
     author = {V. G. Chirskii},
     title = {Arithmetic properties of the values of some functions},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {93--95},
     publisher = {mathdoc},
     number = {4},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1992_4_a13/}
}