Remarks on Bárány's theorem and affine selections. - Mircea Balaj; Kazimierz Nikodem (Discret. Math., 2000)

Two minimax inequalities in G-convex spaces. - Mircea Balaj (Appl. Math. Lett., 2006)

Selecting families and their applications. - Mircea Balaj; Lai-Jiu Lin 001 (Comput. Math. Appl., 2008)

A common fixed point theorem with applications to vector equilibrium problems. - Mircea Balaj (Appl. Math. Lett., 2010)

On mixed variational relation problems. - Mircea Balaj; Dinh The Luc (Comput. Math. Appl., 2010)

Alternative principles and their applications. - Mircea Balaj (J. Glob. Optim., 2011)

Generalized Variational Relation Problems with Applications. - Mircea Balaj; Lai-Jiu Lin 001 (J. Optim. Theory Appl., 2011)

A Unifying Approach to Variational Relation Problems. - Ravi P. Agarwal; Mircea Balaj; Donal O'Regan (J. Optim. Theory Appl., 2012)

Existence Criteria for the Solutions of Two Types of Variational Relation Problems. - Mircea Balaj; Lai-Jiu Lin 001 (J. Optim. Theory Appl., 2013)

A Common Fixed Point Theorem with Applications. - Ravi P. Agarwal; Mircea Balaj; Donal O'Regan (J. Optim. Theory Appl., 2014)

Common Fixed Point Theorems in Topological Vector Spaces via Intersection Theorems. - Ravi P. Agarwal; Mircea Balaj; Donal O'Regan (J. Optim. Theory Appl., 2017)

Intersection Theorems with Applications in Optimization. - Ravi P. Agarwal; Mircea Balaj; Donal O'Regan (J. Optim. Theory Appl., 2018)

Existence results for quasi-equilibrium problems under a weaker equilibrium condition. - Mircea Balaj (Oper. Res. Lett., 2021)

Scalar and vector equilibrium problems with pairs of bifunctions. - Mircea Balaj (J. Glob. Optim., 2022)

New criteria for existence of solutions for equilibrium problems. - Mircea Balaj; Marco Castellani 002; Massimiliano Giuli (Comput. Manag. Sci., 2023)