@article{CHEB_2019_20_1_a20,
     author = {A. V. Mikhlyaeva},
     title = {Quality function for the approximation of quadratic algebraic nets},
     journal = {\v{C}eby\v{s}evskij sbornik},
     pages = {307--312},
     publisher = {mathdoc},
     volume = {20},
     number = {1},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CHEB_2019_20_1_a20/}
}