@article{DM_1989_1_1_a9,
     author = {T. M. Igamberdiev},
     title = {The number of solutions of some types of systems of {Boolean} equations},
     journal = {Diskretnaya Matematika},
     pages = {105--116},
     publisher = {mathdoc},
     volume = {1},
     number = {1},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_1989_1_1_a9/}
}