On the structure of Riemannian manifolds of almost nonnegative Ricci curvature. Yun, Gabjin — 2004 International Journal of Mathematics and Mathematical Sciences
Spectral geometry of harmonic maps into warped product manifolds. II. Yun, Gabjin — 2001 International Journal of Mathematics and Mathematical Sciences
Harmonicity of horizontally conformal maps and spectrum of the Laplacian. Yun, Gabjin — 2002 International Journal of Mathematics and Mathematical Sciences
Harmonic morphisms and subharmonic functions. Choi, Gundon; Yun, Gabjin — 2005 International Journal of Mathematics and Mathematical Sciences