TY - JOUR AU - V. A. Yudin TI - Packings of balls in Euclidean space, and extremal problems for trigonometric polynomials JO - Diskretnaya Matematika PY - 1989 SP - 69 EP - 72 VL - 1 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DM_1989_1_2_a14/ LA - ru ID - DM_1989_1_2_a14 ER -