V. I. Mogilevskii, “Erratum: "On generalized resolvents and characteristic matrices of first-order symmetric systems’’, MFAT, Vol. 20, No. 4, 2014, pp. 328–348”, MFAT, vol. 21, no. 1, pp. 100–100, Mar. 2015, Accessed: Feb. 04, 2026. [Online]. Available: https://zen.imath.kiev.ua/index.php/mfat/article/view/604