TY - JOUR AU - S. V. Konyagin TI - Systems of vectors in Euclidean space and an extremal problem for polynomials JO - Matematičeskie zametki PY - 1981 SP - 63 EP - 74 VL - 29 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1981_29_1_a7/ LA - ru ID - MZM_1981_29_1_a7 ER -