@article{DM_1990_2_1_a6,
     author = {V. D. Matveenko},
     title = {Optimal trajectories of a~dynamic programming scheme and extremal degrees of nonnegative matrices},
     journal = {Diskretnaya Matematika},
     pages = {59--71},
     publisher = {mathdoc},
     volume = {2},
     number = {1},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_1990_2_1_a6/}
}