@article{VMUMM_2013_6_a11,
     author = {V. G. Chirskii and V. Yu. Matveev},
     title = {Representations of positive integers},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {57--59},
     publisher = {mathdoc},
     number = {6},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2013_6_a11/}
}