TY  - JOUR
AU  - Keltouma, Belfakih 
AU  - Elhoucien, Elqorachi 
AU  - Rassias, Themistocles M. 
AU  - Ahmed, Redouani 
TI  - Superstability of  Kannappan's and Van vleck's  functional equations 
JO  - Journal of nonlinear sciences and its applications
PY  - 2018
SP  - 894
EP  - 915
VL  - 11
IS  - 7
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.22436/jnsa.011.07.03/
DO  - 10.22436/jnsa.011.07.03
LA  - en
ID  - JNSA_2018_11_7_a2
ER  -