@article{DM_1996_8_4_a9,
     author = {A. E. Andreev and A. A. Chasovskikh},
     title = {Automaton complexity of two-place {Boolean} bases},
     journal = {Diskretnaya Matematika},
     pages = {123--133},
     publisher = {mathdoc},
     volume = {8},
     number = {4},
     year = {1996},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_1996_8_4_a9/}
}