@article{PDMA_2013_6_a26,
     author = {A. V. Vasin},
     title = {About basises whose unreliability coefficient equals~1},
     journal = {Prikladnaya Diskretnaya Matematika. Supplement},
     pages = {56--57},
     publisher = {mathdoc},
     number = {6},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PDMA_2013_6_a26/}
}