Some results about grey mathematics. - Qiao-Xing Li; Sifeng Liu (Kybernetes, 2009)

The grey input-occupancy-output analysis. - Qiao-Xing Li; Sifeng Liu (Kybernetes, 2009)

The Definition System and Computational Rule of Grey Determinant and Its Application to n Grey Equations with n Grey Linear Equations. - Qiao-Xing Li; Nai-Ang Wang; Shi-Cheng Chen (Grey Syst. Theory Appl., 2012)

Grey enterprise input-output analysis. - Qiao-Xing Li; Sifeng Liu; Yi Lin 001 (J. Comput. Appl. Math., 2012)

Covered solution for a grey linear program based on a general formula for the inverse of a grey matrix. - Qiao-Xing Li; Sifeng Liu; Nai-Ang Wang (Grey Syst. Theory Appl., 2014)