@article{VMUMM_1991_4_a18,
     author = {S. F. Dvinskikh and A. D. Solov'ev},
     title = {Repairable systems with multiple failures},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {74--77},
     publisher = {mathdoc},
     number = {4},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1991_4_a18/}
}