@article{TRSPY_1987_180_a47,
     author = {V. D. Galan and D. M. Galan},
     title = {On degrees of smoothness, moduli of continuity and classification of continuous functions},
     journal = {Informatics and Automation},
     pages = {89--90},
     publisher = {mathdoc},
     volume = {180},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1987_180_a47/}
}