M. Arunkumar, E. Sathya, S. Ramamoorthi, P. Agilan. Ulam-Hyers stability of Euler-Lagrange additive functional equation in intuitionistic fuzzy Banach spaces: Direct and fixed point methods. Malaya J. Mat. [Internet]. 2018 Jan. 1 [cited 2024 Nov. 23];6(01):276-85. Available from: https://www.malayajournal.org/index.php/mjm/article/view/805