共 8 条
[1]
Cryer C. W., 1973, Linear Algebra and Its Applications, V7, P83, DOI 10.1016/0024-3795(73)90039-6
[6]
Haynsworth EV., 1968, LINEAR ALGEBRA APPL, V1, P73, DOI DOI 10.1016/0024-3795(68)90050-5
[7]
Loewner C., 1955, Mathematische Zeitschrift, V63, P338
[8]
Whitney A.M., 1952, Journal d'Analyse Mathematique, V2, P88