TY - JOUR AU - I. Naraniecka TI - The Sharp upper bound for $\mathfrak{R}(A_{3}-\lambda A_{2})$ in $U'_{\alpha}$ JO - Problemy analiza PY - 2008 SP - 17 EP - 23 IS - 15 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PA_2008_15_a3/ LA - en ID - PA_2008_15_a3 ER -