Gusynin, Viacheslav, Andrii Gusynin, and Helen Tachinina. “THE USE OF DIFFERENTIAL TRANSFORMATIONS FOR SOLVING NON-LINEAR BOUNDARY VALUE PROBLEMS”. Proceedings of National Aviation University 69, no. 4 (December 21, 2016): 44–55. Accessed April 20, 2024. https://jrnl.nau.edu.ua/index.php/visnik/article/view/11054.