@article{DAN_1992_326_1_a9,
     author = {A. Yu. Shadrin},
     title = {On exact constants in inequalities between the $L_\infty$-norms},
     journal = {Doklady Akademii Nauk},
     pages = {50--53},
     publisher = {mathdoc},
     volume = {326},
     number = {1},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1992_326_1_a9/}
}