%0 Journal Article %A A. L. Vol'berg %A B. Jöricke %T Summability of the logarithm of an almost analytic function and a~generalization of the Levinson--Cartwright theorem %J Sbornik. Mathematics %D 1987 %P 337-349 %V 58 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1987_58_2_a2/ %G en %F SM_1987_58_2_a2