@article{DA_2022_29_3_a1,
     author = {V. L. Beresnev and A. A. Melnikov},
     title = {Computing an upper bound in the two-stage bi-level competitive location model},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {7--23},
     publisher = {mathdoc},
     volume = {29},
     number = {3},
     year = {2022},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_2022_29_3_a1/}
}