%0 Journal Article %A W. Narkiewicz %T Factorization of natural numbers in some quadratic number fields %J Colloquium Mathematicum %D 1967 %P 257-268 %V 16 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-16-1-257-268/ %R 10.4064/cm-16-1-257-268 %G en %F 10_4064_cm_16_1_257_268