%0 Journal Article
%A H. Dishkant
%T Weak decidability of some modal extention of trigonometry
%J Fundamenta Mathematicae
%D 1973
%P 255-260
%V 81
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/fm-81-3-255-260/
%R 10.4064/fm-81-3-255-260
%G en
%F 10_4064_fm_81_3_255_260