@article{IVM_1984_11_a1,
     author = {R. G. Nigmatullin},
     title = {Complexity of universal functions and lower bounds on complexity},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {10--20},
     publisher = {mathdoc},
     number = {11},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1984_11_a1/}
}