@article{VMUMM_2005_4_a12,
     author = {D. Yu. Cherukhin},
     title = {The lower estimate of complexity in the class of schemes of depth $2$ without restrictions on a basis},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {54--56},
     publisher = {mathdoc},
     number = {4},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2005_4_a12/}
}