%0 Journal Article %A W. Więsław %T On some characterizations of the complex number field %J Colloquium Mathematicum %D 1971 %P 139-145 %V 24 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-24-2-139-145/ %R 10.4064/cm-24-2-139-145 %G en %F 10_4064_cm_24_2_139_145