@article{VMUMM_1985_1_a5,
     author = {A. D. Solov'ev and B. A. Afanas'ev},
     title = {An invariant servicing discipline for a restorable system},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {26--29},
     publisher = {mathdoc},
     number = {1},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1985_1_a5/}
}