Bakushinsky, A., Kokurin, M., & Kljuchev, V. (2006). A rate of convergence and error estimates for difference methods used to approximate solutions to ill-posed Cauchy problems in a Banach space. Numerical Methods and Programming (Vychislitel’nye Metody I Programmirovanie), 7(8), 163–171. Retrieved from https://en.num-meth.ru/index.php/journal/article/view/204