Hiroshi Fujiwara Kazuo Iwama Yoshiyuki Sekiguchi Average-Case Competitive Analyses for One-Way Trading. 41-51 2008 COCOON http://dx.doi.org/10.1007/978-3-540-69733-6_5 conf/cocoon/2008 db/conf/cocoon/cocoon2008.html#FujiwaraIS08