On Penalty and Gap Function Methods for Bilevel Equilibrium Problems. - Dinh Bui Van; Le Dung Muu (J. Appl. Math., 2011)

A note on the combination of equilibrium problems. - Nguyen Thi Thanh Ha; Tran Thi Huyen Thanh; Nguyen Ngoc Hai; Manh Duc Hy; Dinh Bui Van (Math. Methods Oper. Res., 2020)