@article{DAN_1987_292_4_a3,
     author = {L. P. Vlasov and G. M. Ustinov},
     title = {Duality of faces of the unit sphere in {Banach} spaces},
     journal = {Doklady Akademii Nauk},
     pages = {788--790},
     publisher = {mathdoc},
     volume = {292},
     number = {4},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1987_292_4_a3/}
}