%0 Journal Article
%A G. V. Kuz'mina
%T Extremal properties of quadratic differentials with trajectories which are asymptotically similar to logarithmic spirals
%J Zapiski Nauchnykh Seminarov POMI
%D 1987
%P 121-137
%V 160
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_1987_160_a11/
%G ru
%F ZNSL_1987_160_a11