Nazarova, K.Zh. “About a Variant of the Finding of the Solution Equation by Ginsburg-Landow”. Bulletin of the Karaganda University. Mathematics Series 79, no. 3 (September 29, 2015): 75–80. Accessed July 10, 2025. https://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/51.