@article{SM_1972_16_1_a9,
     author = {Yu. I. Makovoz},
     title = {On a~method for estimation from below of diameters of sets in {Banach} spaces},
     journal = {Sbornik. Mathematics},
     pages = {139--146},
     year = {1972},
     volume = {16},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1972_16_1_a9/}
}