Hsiang J.Huang G. S.HsiangJ2010-12-202018-07-052010-12-202018-07-051997http://ntur.lib.ntu.edu.tw//handle/246246/220997en-USSome fundamental properties of Boolean ring normal formsjournal articlehttp://ntur.lib.ntu.edu.tw/bitstream/246246/220997/-1/07.pdf