@article{FPM_2010_16_7_a8,
     author = {E. A. Potseluevskaya},
     title = {Approximation of {Boolean} functions to {Schaefer's} classes},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {197--204},
     publisher = {mathdoc},
     volume = {16},
     number = {7},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2010_16_7_a8/}
}