@article{IIGUM_2013_6_3_a0,
     author = {Y. V. Akulov},
     title = {Criteria of decomposability of the {Post's} clones},
     journal = {The Bulletin of Irkutsk State University. Series Mathematics},
     pages = {2--24},
     publisher = {mathdoc},
     volume = {6},
     number = {3},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IIGUM_2013_6_3_a0/}
}