@article{DA_1987_27_a3,
     author = {A. I. Davydov},
     title = {A problem of the choice of an optimal series of articles according to the {\textquotedblleft}total efficiency{\textquotedblright} {criterion.~II}},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {45--69},
     year = {1987},
     number = {27},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_1987_27_a3/}
}