The class number one problem for some non-abelian normal CM-fields of degree 48. - Ku-Young Chang; Soun-Hi Kwon (Math. Comput., 2003)

CM-fields with relative class number one. - Geon-No Lee; Soun-Hi Kwon (Math. Comput., 2006)

The zeros of Dedekind zeta functions and class numbers of CM-fields. - Geon-No Lee; Soun-Hi Kwon (Math. Comput., 2008)

The imaginary abelian number fields of 2-power degrees with ideal class groups of exponent ≤2. - Jeoung-Hwan Ahn; Soun-Hi Kwon (Math. Comput., 2012)