فهرس المقالات Hana Veiseh المقاله 1 - A note on positive deniteness and stability of interval matrices Hana Veiseh Theory of Approximation and Applications , العدد 1 , السنة 9 , زمستان 2015 المقاله 2 - A note on positive de niteness and stability of interval matrices H. Veiseh Theory of Approximation and Applications , العدد 1 , السنة 9 , بهار 2015