Minghua Lin, “A note on the growth factor in Gaussian elimination for accretive-dissipative matrices”, Calcolo, 51, № 3, 2014, 363
Chi-Kwong Li, Nung-Sing Sze, “Determinantal and eigenvalue inequalities for matrices with numerical ranges in a sector”, Journal of Mathematical Analysis and Applications, 410, № 1, 2014, 487
S.W. Drury, “Fischer determinantal inequalities and Highamʼs Conjecture”, Linear Algebra and its Applications, 439, № 10, 2013, 3129