@article{AL_1979_18_1_a2,
     author = {S. G. Dvornikov},
     title = {$C$-degrees of continuous, everywhere defined functionals},
     journal = {Algebra i logika},
     pages = {32--46},
     publisher = {mathdoc},
     volume = {18},
     number = {1},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1979_18_1_a2/}
}