M. Arunkumar, E. Sathya, S. Ramamoorthi and P. Agilan 2018. Ulam-Hyers stability of Euler-Lagrange additive functional equation in intuitionistic fuzzy Banach spaces: Direct and fixed point methods. Malaya Journal of Matematik. 6, 01 (Jan. 2018), 276–285. DOI:https://doi.org/10.26637/MJM0601/0031.