STAŃCZY, Robert and BORS, Dorota. Dynamical system describing cloud of particles in relativistic and non-relativistic framework. Topological Methods in Nonlinear Analysis. Online. 22 March 2026. Vol. 67, no. 1, pp. 121 - 134. [Accessed 2 June 2026]. DOI 10.12775/TMNA.2026.007.