The application of Brzdek's fixed point theorem in the stability problem of the Drygas functional equation.

Autor: DEHGHANIAN, Mehdi1 mdehghanian@sirjantech.ac.ir, SAYYAR, Yamin1
Zdroj: Turkish Journal of Mathematics. 2023, Vol. 47 Issue 6, p1778-1790. 13p.
Databáze: Academic Search Ultimate