“Necessary and Sufficient Conditions of the Lipschitz Invertibility of the Nonlinear Differential Operator $d/dt - f$ in the Space of Bounded Functions on the Real Axis”, НК, vol. 4, no. 2, pp. 272–277, Jun. 2001, Accessed: Jan. 22, 2026. [Online]. Available: https://twinhead.imath.kiev.ua/index.php/nosc/article/view/171