1.
STEINLEIN, Heinrich. Cycles, Eulerian digraphs and the Schönemann-Gauss theorem. Topological Methods in Nonlinear Analysis. Online. 20 September 2021. Vol. 59, no. 2A, pp. 569 - 584. [Accessed 22 July 2024]. DOI 10.12775/TMNA.2020.058.