Vitrychenko, I. E. (1999) “A critical case of stability of one quasilinear difference equation of the second order”, Ukrains’kyi Matematychnyi Zhurnal, 51(12), pp. 1593–1603. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/4764 (Accessed: 17May2024).