@article{TM_1973_133_a12,
     author = {O. B. Lupanov},
     title = {The complexity of the universal parallel-sequential network of depth~3},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {127--131},
     year = {1973},
     volume = {133},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1973_133_a12/}
}