Hwang, Shien-ChingShien-ChingHwangGEN-HUEY CHEN2020-05-042020-05-042000https://scholars.lib.ntu.edu.tw/handle/123456789/488235Cycles in butterfly graphs.journal article10.1002/(SICI)1097-0037(200003)35:2<161https://doi.org/10.1002/(SICI)1097-0037(200003)35:2<161