SARJAŠ, Andrej, SVEČKO, Rajko in CHOWDHURY, Amor, brez datuma, An ℋ∞ optimal robust pole placement with fixed transparent controller structure on the basis of nonnegativity of even spectral polynomials. Mathematical Problems in Engineering [na spletu]. Vol. 2012, p. 1–25. [Dostopano 22 januar 2025]. DOI 10.1155/2012/735245. Pridobljeno s: https://dk.um.si/IzpisGradiva.php?lang=slv&id=66211