@article{DA_2006_13_2_a1,
     author = {Yu. I. Brodskii and V. I. Novitskii and Yu. N. Pavlovsky},
     title = {An algorithm for the formation of a~hierarchical system of invariants of isomorphisms of mappings of finite sets},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {21--30},
     publisher = {mathdoc},
     volume = {13},
     number = {2},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_2006_13_2_a1/}
}