@article{IM2_1967_1_1_a9,
     author = {A. A. Markov},
     title = {Normal algorithms connected with the computation of boolean functions},
     journal = {Izvestiya. Mathematics },
     pages = {151--194},
     publisher = {mathdoc},
     volume = {1},
     number = {1},
     year = {1967},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1967_1_1_a9/}
}