%0 Journal Article %A Hiroshi Haruki %T A characteristic property of orthogonal pencils of coaxal circles from the standpoint of conformal mapping %J Annales Polonici Mathematici %D 1975 %P 171-177 %V 31 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-31-2-171-177/ %R 10.4064/ap-31-2-171-177 %G en %F 10_4064_ap_31_2_171_177