A Lower Bound on the Number of Variables to Represent Incompletely Specified Index Generation Functions. - Tsutomu Sasao; Yuta Urano; Yukihiro Iguchi (ISMVL, 2014)

A Method to Find Linear Decompositions for Incompletely Specified Index Generation Functions Using Difference Matrix. - Tsutomu Sasao; Yuta Urano; Yukihiro Iguchi (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2014)