Weak Fenchel and weak Fenchel-Lagrange conjugate duality for nonconvex scalar optimization problems. - Yalçin Küçük; Ilknur Atasever; Mahide Küçük (J. Glob. Optim., 2012)

Reduction of Weak Exhausters and Optimality Conditions via Reduced Weak Exhausters. - Mahide Küçük; Ryszard Urbanski; Jerzy Grzybowski; Yalçin Küçük; Ilknur Atasever Güvenç; Didem Tozkan; Mustafa Soyertem (J. Optim. Theory Appl., 2015)