673a421db4ce4.pdf
DOI:
Mavjud emas
Songqui Wang ect, Inequality of matrix [M](the second press), Science press, Beijing(2006). TingmingWang, From Proof of inequality of matrix-rank by the block matrix construction(J, Higher mathematics(2008)).3.Wajin Zhuang, Guaidance of matriz theory on skew field (MI, Science press,Beijing(2006)).