@article{VNGU_2018_18_4_a3,
     author = {F. A. Dudkin and A. V. Treyer},
     title = {Knapsack problem for {Baumslag{\textendash}Solitar} groups},
     journal = {Sibirskij \v{z}urnal \v{c}istoj i prikladnoj matematiki},
     pages = {43--55},
     year = {2018},
     volume = {18},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VNGU_2018_18_4_a3/}
}