%0 Journal Article %A Osvaldo Capri %A Alberto Domínguez %T On operator-valued analytic functions with positive real part whose logarithm belongs to a $C_{p}$ class %J Studia Mathematica %D 1983 %P 183-196 %V 77 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-77-2-183-196/ %R 10.4064/sm-77-2-183-196 %G en %F 10_4064_sm_77_2_183_196