TY - JOUR AU - G. H., and J.E.Littlewood, Hardy TI - Some properties of fractional integrals. II. JO - Mathematische Zeitschrift PY - 1932 SP - 403 EP - 439 VL - 34 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZ_1932__34_168318/ ID - MZ_1932__34_168318 ER -