%0 Journal Article %A Peral Alonso, Ireneo %T A condition of Busemann-Feller type for the derivation of integrals of functions in the class Φ (L). %J Collectanea mathematica %D 1977 %P 95-100 %V 28 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CLTM_1977_1977_1_a5/ %G en %F CLTM_1977_1977_1_a5