@article{THSP_2020_25_2_a8,
     author = {N. V. Zakharchenko and L. I. Nakonechna},
     title = {On a discrete extremal problem with constraints},
     journal = {Teori\^a slu\v{c}ajnyh processov},
     pages = {89--92},
     publisher = {mathdoc},
     volume = {25},
     number = {2},
     year = {2020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/THSP_2020_25_2_a8/}
}