@article{DAN_1996_348_1_a8,
     author = {M. K. Kozlov},
     title = {A version of cluster analysis that eliminates cluster as an inexact concept},
     journal = {Doklady Akademii Nauk},
     pages = {34--36},
     year = {1996},
     volume = {348},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1996_348_1_a8/}
}