Maxima of sojourn times in acyclic Jackson queueing networks. - Sungyeol Kang; Richard F. Serfozo (Comput. Oper. Res., 1997)

A distributed multiple spectrum pricing scheme for optimality support in multiaccess systems. - Yonghoon Choi; Sohaib Khan; Hoon Kim; Kapseok Chang; Sungyeol Kang; Youngnam Han (J. Commun. Networks, 2009)