@article{DM_2018_30_4_a2,
     author = {O. A. Logachev and S. N. Fedorov and V. V. Yashchenko},
     title = {On the $\Delta$-equivalence of {Boolean} functions},
     journal = {Diskretnaya Matematika},
     pages = {29--40},
     publisher = {mathdoc},
     volume = {30},
     number = {4},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_2018_30_4_a2/}
}