@article{TIMM_2009_15_1_a14,
     author = {A. V. Parfenenkov},
     title = {The best extension of algebraic polynomials from the unit circle},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {184--194},
     publisher = {mathdoc},
     volume = {15},
     number = {1},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2009_15_1_a14/}
}