%0 Journal Article
%A B. Dittmar
%A A. Yu. Solynin
%T Mixed Stekloff eigenvalue problem and new extremal properties of the Gr\"otzsch ring
%J Zapiski Nauchnykh Seminarov POMI
%D 2000
%P 51-79
%V 270
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_2000_270_a2/
%G ru
%F ZNSL_2000_270_a2