@article{DAN_1962_145_2_a4,
     author = {L. M. Vitaver},
     title = {On a vertex-edge graph function},
     journal = {Doklady Akademii Nauk},
     pages = {248--251},
     publisher = {mathdoc},
     volume = {145},
     number = {2},
     year = {1962},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1962_145_2_a4/}
}