@article{VMUMM_1990_2_a1,
     author = {D. G. Konstantinidis},
     title = {The monotone trajectory principle for a model of a complex renewable system with one repair unit},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {7--13},
     publisher = {mathdoc},
     number = {2},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1990_2_a1/}
}