TY - JOUR AU - A. Yu. Shadrin TI - On exact constants in inequalities between the $L_\infty$-norms JO - Doklady Akademii Nauk PY - 1992 SP - 50 EP - 53 VL - 326 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1992_326_1_a9/ LA - ru ID - DAN_1992_326_1_a9 ER -