A posteriori error estimators for nonconforming finite element methods of the linear elasticity problem. - Kwang-Yeon Kim; Hyung-Chun Lee (J. Comput. Appl. Math., 2010)

Guaranteed A Posteriori Error Estimator for Mixed Finite Element Methods of Linear Elasticity with Weak Stress Symmetry. - Kwang-Yeon Kim (SIAM J. Numer. Anal., 2011)

Guaranteed a posteriori error estimator for mixed finite element methods of elliptic problems. - Kwang-Yeon Kim (Appl. Math. Comput., 2012)

Fully computable a posteriori error estimates for the Stokes equation without the global inf-sup constant. - Kwang-Yeon Kim (Comput. Math. Appl., 2014)