@article{UZERU_1985_3_a4,
     author = {L. H. Badalian},
     title = {Rank analysis of qualitative features},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {32--38},
     publisher = {mathdoc},
     number = {3},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZERU_1985_3_a4/}
}