@article{DM_1998_10_1_a1,
     author = {A. V. Kostochka and V. D. Mazurov and L. Ja. Savel'ev},
     title = {The number of $q$-ary words with restrictions on the length of a maximal series},
     journal = {Diskretnaya Matematika},
     pages = {10--19},
     publisher = {mathdoc},
     volume = {10},
     number = {1},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_1998_10_1_a1/}
}