@article{IVM_2004_3_a11,
     author = {I. K. Sharankhaev},
     title = {On {Boolean} bases of the second level},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {81--82},
     publisher = {mathdoc},
     number = {3},
     year = {2004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2004_3_a11/}
}