@article{VMUMM_1986_4_a1,
     author = {Kh. Vald\'es Castro},
     title = {Optimal policies in a priority standby model},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {10--15},
     year = {1986},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1986_4_a1/}
}