%0 Journal Article
%A Hemdaoui, Mohammed
%T Letter to the editors
%J Mathematica Bohemica
%D 2015
%V 140
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.21136/MB.2015.144430/
%R 10.21136/MB.2015.144430
%G fr
%F 10_21136_MB_2015_144430