@article{DA_1977_16_a4,
     author = {V. L. Beresnev},
     title = {The problem of optimal choice for series of products and completion {nodes.~I}},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {35--46},
     publisher = {mathdoc},
     number = {16},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_1977_16_a4/}
}