@article{DAN_1966_171_1_a1,
     author = {Yu. L. Vasil'ev},
     title = {Difficulties of minimization of {Boolean} functions on the basis of universal approaches},
     journal = {Doklady Akademii Nauk},
     pages = {13--16},
     publisher = {mathdoc},
     volume = {171},
     number = {1},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1966_171_1_a1/}
}