@article{SM_2015_206_7_a3,
     author = {B. S. Kashin},
     title = {Lunin's method for selecting large submatrices with small norm},
     journal = {Sbornik. Mathematics},
     pages = {980--987},
     publisher = {mathdoc},
     volume = {206},
     number = {7},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2015_206_7_a3/}
}