by 김다혜, 노태용, 변석준, 현정순
Published in Seonmul yeongu (Online) (01.02.2016)

by 김다혜, Da Hea Kim, 노태용, Tai Yong Roh, 변석준, Suk Joon Byun, 현정순, Jung Soon Hyun
Published in Seonmul yeongu (Online) (28.02.2016)

by 현정순, 김동석, 이윤근
Published in Seonmul yeongu (Online) (01.05.2005)

by Hyun, Jung-Soon, Kim, Young-Hee
Published in Journal of the Korean Mathematical Society (01.07.2006)

by 현정순, Jung Soon Hyun, 이병근, Byung Kun Rhee
Published in Seonmul yeongu (Online) (30.11.2004)

by 김동석, Tong Suk Kim, 이윤근, Yun Keun Lee, 현정순, Jung-Soon Hyun
Published in Seonmul yeongu (Online) (30.05.2005)