TY - JOUR AU - C. Morpurgo TI - The Logarithmic Hardy-Littlewood-Sobolev Inequlity and Extremals of Zeta Functions on Sn. JO - Geometric and functional analysis PY - 1996 SP - 146 EP - 171 VL - 6 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/GFA_1996__6_1_58222/ ID - GFA_1996__6_1_58222 ER -