@article{DM_2010_22_1_a4,
     author = {R. M. Kolpakov and M. A. Posypkin},
     title = {Upper and lower bounds for the complexity of the branch and bound method for the knapsack problem},
     journal = {Diskretnaya Matematika},
     pages = {58--73},
     publisher = {mathdoc},
     volume = {22},
     number = {1},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_2010_22_1_a4/}
}