by Birman, Joan, Ko, Ki Hyoung, Lee, Sang Jin
Published in Advances in mathematics (New York. 1965) (10.11.1998)

by Ko, Ki Hyoung, Park, Hyo Won
Published in Discrete & computational geometry (01.12.2012)

by Ko, Ki Hyoung, La, Joon Hyun, Park, Hyo Won
Published in Topology and its applications (01.01.2016)

by Ko, Ki Hyoung, Lee, Jang Won, Thomas, Tony
Published in Designs, codes, and cryptography (01.12.2007)

by Birman, Joan S., Ko, Ki Hyoung, Lee, Sang Jin
Published in Advances in mathematics (New York. 1965) (01.12.2001)

by Cha, Jae Choon, Ko, Ki Hyoung
Published in Topology (Oxford) (01.11.2002)

by Ko, Ki Hyoung, La, Joon Hyun, Park, Hyo Won
Year of Publication 14.07.2014

by An, Byung Hee, Ko, Ki Hyoung
Published in arXiv.org (11.03.2012)

by Ko, Ki Hyoung, Park, Hyo Won
Year of Publication 13.01.2011

by An, Byung Hee, Ko, Ki Hyoung
Published in arXiv.org (30.03.2010)

by Ko, Ki Hyoung, La, Joon Hyun, Park, Hyo Won
Published in arXiv.org (14.07.2014)

by Ko, Ki Hyoung, Park, Hyo Won
Published in arXiv.org (13.01.2011)

by Ko, Ki Hyoung, Lee, Jang Won
Year of Publication 15.11.2006

by Ko, Ki Hyoung, Lee, Jang Won
Year of Publication 25.10.2006

by Ko, Ki Hyoung, Lee, Sang Jin
Published in Topology and its applications (1997)

by Kim, Jee Hyoun, Ko, Ki Hyoung, Park, Hyo Won
Year of Publication 01.05.2008

by Ko, Ki Hyoung, Smolinsky, Lawrence
Published in Pacific journal of mathematics (01.06.1991)

by Eun Sook Kang, Ki Hyoung Ko, Lee, Sang Jin
Published in Topology and its applications (1997)

by Kim, Jee Hyoun, Ko, Ki Hyoung, Park, Hyo Won
Published in arXiv.org (13.06.2010)

by Ko, Ki Hyoung, Jang Won Lee
Published in arXiv.org (05.12.2006)