%0 Journal Article %A Ekhad, Shalosh B. %A Zeilberger, Doron %T The number of solutions of in triangular matrices over . %J The Electronic Journal of Combinatorics [electronic only] %D 1996 %V 3 %N 1 %I mathdoc %U https://geodesic-test.mathdoc.fr/item/EJC_1996__3_1_118913/ %G en %F EJC_1996__3_1_118913