Goncharsky, A. and Romanov, S. (2011) “On a problem of ultrasonic tomography”, Numerical Methods and Programming (Vychislitel’nye Metody i Programmirovanie), 12(29), pp. 317–320. Available at: https://en.num-meth.ru/index.php/journal/article/view/465 (Accessed: 24 April 2024).