Unit-circle-preserving mappings. - Soon-Mo Jung; Byungbae Kim (Int. J. Math. Math. Sci., 2004)

Mappings preserving regular hexahedrons. - Soon-Mo Jung; Byungbae Kim (Int. J. Math. Math. Sci., 2005)

Mappings which preserve regular dodecahedrons. - Byungbae Kim (Int. J. Math. Math. Sci., 2006)

Perturbation of One-Dimensional Time Independent Schrödinger Equation With a Symmetric Parabolic Potential Wall. - Soon-Mo Jung; Byungbae Kim (Symmetry, 2020)

Perturbation of One-Dimensional Time-Independent Schrödinger Equation with a Near-Hyperbolic Potential. - Byungbae Kim; Soon-Mo Jung (Axioms, 2022)