@article{PDM_2014_2_a5,
     author = {A. I. Normov and T. M. Sadykov},
     title = {Analytic complexity of cluster trees},
     journal = {Prikladna\^a diskretna\^a matematika},
     pages = {79--87},
     publisher = {mathdoc},
     number = {2},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PDM_2014_2_a5/}
}