%0 Journal Article %A Pestana, Dinis %T A new proof of Khinchine's theorem and concepts of unimodality %J Portugaliae mathematica %D 1980 %P 357-370 %V 39 %N 1-4 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1980__39_1-4_115426/ %G en %F PORMA_1980__39_1-4_115426