A fixed point approach to the stability of a general mixed additive-cubic functional equation in quasi fuzzy normed spaces
Tian Zhou Xu1*, John Michael Rassias2 and Wan Xin Xu3
1Department of Mathematics, School of Science, Beijing Institute of Technology, Beijing 100081, People’s Republic of China.
2Pedagogical Department E.E., Section of Mathematics and Informatics, National and Capodistrian University of Athens, 4 Agamemnonos Str., Aghia Paraskevi, Athens 15342, Greece.
3School of Communication and Information Engineering, University of Electronic Science and Technology of China, Chengdu 611731, People’s Republic of China.
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