%0 Journal Article %A Tian, Yongge %A Liu, Yonghui %T The extremal ranks of $A_1 - B_1 X C_1$ subject to a pair of matrix equations %J Rendiconti del Seminario Matematico della Università di Padova %D 2006 %P 55-69 %V 116 %I Seminario Matematico of the University of Padua %U http://www.numdam.org/item/RSMUP_2006__116__55_0/ %G en %F RSMUP_2006__116__55_0