@article{CHEB_2013_14_1_a3,
     author = {N. M. Dobrovol'skii and D. K. Sobolev and V. N. Soboleva},
     title = {On matrix decomposition of one reduced cubic irrational},
     journal = {\v{C}eby\v{s}evskij sbornik},
     pages = {34--55},
     publisher = {mathdoc},
     volume = {14},
     number = {1},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CHEB_2013_14_1_a3/}
}