%0 Journal Article
%A Keltouma, Belfakih 
%A Elhoucien, Elqorachi 
%A Rassias, Themistocles M. 
%A Ahmed, Redouani 
%T Superstability of  Kannappan's and Van vleck's  functional equations 
%J Journal of nonlinear sciences and its applications
%D 2018
%P 894-915
%V 11
%N 7
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.22436/jnsa.011.07.03/
%R 10.22436/jnsa.011.07.03
%G en
%F JNSA_2018_11_7_a2