@article{MZM_2017_101_1_a6,
     author = {Yu. V. Malykhin and K. S. Ryutin},
     title = {The {Product} of {Octahedra} is {Badly} {Approximated} in the $\ell_{2,1}${-Metric}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {85--90},
     publisher = {mathdoc},
     volume = {101},
     number = {1},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2017_101_1_a6/}
}