BANAŚ, Józef and MADEJ, Justyna. On solutions vanishing at infinity of infinite systems of quadratic Urysohn integral equations. Topological Methods in Nonlinear Analysis. Online. 3 March 2024. Vol. 63, no. 1, pp. 53 - 77. [Accessed 30 December 2025]. DOI 10.12775/TMNA.2023.046.