@article{DM_2018_30_3_a4,
     author = {V. I. Kruglov},
     title = {On coincidences of tuples in a $q$-ary tree with random labels of vertices},
     journal = {Diskretnaya Matematika},
     pages = {48--67},
     publisher = {mathdoc},
     volume = {30},
     number = {3},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_2018_30_3_a4/}
}