@article{DAN_1982_267_1_a4,
     author = {V. G. Vizing},
     title = {The intensification problem for deterministic maintenance systems},
     journal = {Doklady Akademii Nauk},
     pages = {27--30},
     publisher = {mathdoc},
     volume = {267},
     number = {1},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1982_267_1_a4/}
}