Puntip Toghaw. (2000) An eigenvalue problem for a large sparse skew symmetric matrix. Mahidol University,:ม.ป.ท.Puntip Toghaw. 2000. An eigenvalue problem for a large sparse skew symmetric matrix. ม.ป.ท.:Mahidol University,;Puntip Toghaw. An eigenvalue problem for a large sparse skew symmetric matrix. ม.ป.ท.:Mahidol University, 2000. Print.