@article{TRSPY_1961_60_a4,
     author = {V. G. Boltyanskii},
     title = {Application of the theory of optimal processes to problems of approximation of functions},
     journal = {Informatics and Automation},
     pages = {82--95},
     publisher = {mathdoc},
     volume = {60},
     year = {1961},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1961_60_a4/}
}