@article{VMUMM_1996_4_a4,
     author = {A. E. Andreev and A. A. Chasovskikh},
     title = {Complexity of automata that compute the values of formulas},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {22--24},
     publisher = {mathdoc},
     number = {4},
     year = {1996},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1996_4_a4/}
}