%0 Journal Article %A Víctor J. Ramírez V. %A A new proof of the Unique Factorization of for d = 3 %A 7 %A 11 %A 19 %A 43 %A 67 %T 163 %J Revista colombiana de matematicas %D 2016 %P 139-143 %V 50 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/RCM_2016_50_2_a0/ %F RCM_2016_50_2_a0