Heuristics for cardinality constrained portfolio optimisation. - T.-J. Chang; Nigel Meade; John E. Beasley; Yazid M. Sharaiha (Comput. Oper. Res., 2000)

An evolutionary heuristic for the index tracking problem. - John E. Beasley; Nigel Meade; T.-J. Chang (Eur. J. Oper. Res., 2003)