Coincidence point theorems and minimization theorems in fuzzy metric spaces. - S. S. Chang; Y. J. Cho; B. S. Lee; J. S. Jung; S. M. Kang (Fuzzy Sets Syst., 1997)

Common fixed points of compatible maps of type (β) on fuzzy metric spaces. - Y. J. Cho; H. K. Pathak; S. M. Kang; J. S. Jung (Fuzzy Sets Syst., 1998)

Common fixed point theorems and variational principle in generating spaces of quasi-metric family. - J. S. Jung; S. S. Chang; Y. J. Cho; B. S. Lee; S. M. Kang (Fuzzy Sets Syst., 1999)

Coincidence point theorems in generating spaces of quasi-metric family. - J. S. Jung; Y. J. Cho; S. M. Kang; B. S. Lee; Y. K. Choi (Fuzzy Sets Syst., 2000)