@article{DAN_1988_303_4_a8,
     author = {L. Ya. Cherepanova and G. P. Cherepanov},
     title = {A mathematical information model of fluctuation of personnel},
     journal = {Doklady Akademii Nauk},
     pages = {807--810},
     publisher = {mathdoc},
     volume = {303},
     number = {4},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1988_303_4_a8/}
}