@article{TRSPY_2022_319_a0,
     author = {V. M. Tikhomirov},
     title = {Three {Stages} in the {Development} of {Approximation} {Theory}},
     journal = {Informatics and Automation},
     pages = {7--19},
     publisher = {mathdoc},
     volume = {319},
     year = {2022},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_2022_319_a0/}
}