On ray class annihilators of cyclotomic function fields Sunghan Bae; Hwanyup Jung — 2011 Acta Arithmetica
On the 4-rank of ideal class groups of quadratic function fields Sunghan Bae; Hwanyup Jung — 2012 Acta Arithmetica
On the relative class number of cyclotomic function fields Hwanyup Jung; Jaehyun Ahn — 2003 Acta Arithmetica
Greither's maximal independent system of units in global function fields Jaehyun Ahn; Hwanyup Jung — 2003 Acta Arithmetica