@article{CC_2007_36_1_a10,
     author = {Korczak, Edward},
     title = {New formula for the failure/repair frequency of multi-state monotone systems and its applications},
     journal = {Control and Cybernetics},
     pages = {219--239},
     publisher = {mathdoc},
     volume = {36},
     number = {1},
     year = {2007},
     zbl = {1182.90034},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CC_2007_36_1_a10/}
}