Asner, Jr., On the Total Nonnegativity of the Hurwitz Matrix, SIAM Journal on Applied Mathematics, Vol.. 
[10]Ni ojo akoko osu kejila òdú 2011 Apejọ Isese Ikoko ti awon IC kede wipe ohun gbogbo adehun ti a ti de lati se bensouda Ìpopo o fẹ lati se aseyori Luis Moreno-o bi ijoọba ti awon IC.. 