@article{DM_2005_17_2_a9,
     author = {N. A. Peryazev and I. K. Sharankhaev},
     title = {Criteria for {Boolean} functions to be repetition-free in pre-elementary bases of rank~3},
     journal = {Diskretnaya Matematika},
     pages = {127--138},
     publisher = {mathdoc},
     volume = {17},
     number = {2},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_2005_17_2_a9/}
}