%0 Journal Article
%A Tonov, Ivan
%T Mathematics Education of Teachers – an Old and Still Open Question
%J Mathematics and Education in Mathematics
%D 2021
%P 133-136
%V 50
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MEM_2021_50_a12/
%G bg
%F MEM_2021_50_a12