DUBEY, Ramu; DEEPMALA; MISHRA , Vishnu Narayan. Higher-order symmetric duality in nondifferentiable multiobjective fractional programming problem over cone contraints. Statistics, Optimization & Information Computing, [S. l.], v. 8, n. 1, p. 187–205, 2020. DOI: 10.19139/soic-2310-5070-601. Disponível em: https://www.iapress.org/index.php/soic/article/view/601. Acesso em: 1 may. 2026.