@article{IIGUM_2012_5_1_a6,
     author = {V. B. Larionov and V. S. Fedorova},
     title = {On the structure complexity of closed classes containing some specific classes of monotone $k$-valued functions},
     journal = {The Bulletin of Irkutsk State University. Series Mathematics},
     pages = {70--79},
     publisher = {mathdoc},
     volume = {5},
     number = {1},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IIGUM_2012_5_1_a6/}
}