@article{RM_2017_72_5_a8,
     author = {B. S. Kashin},
     title = {Decomposing an orthogonal matrix into two submatrices with extremally small $(2,1)$-norm},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {971--973},
     publisher = {mathdoc},
     volume = {72},
     number = {5},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2017_72_5_a8/}
}