Open Science Research Excellence
Ber-Lin Yu and  Ting-Zhu Huang,  A Note on the Minimum Cardinality of Critical Sets of Inertias for Irreducible Zero-nonzero Patterns of Order 4.   journal   = {International Journal of Mathematical, Computational, Physical, Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology. January 2010, vol. 37(1). 142 - 144[viewed 18 January 2019]. Available from: