J. Sombra, R. Andrade, and M. Campêlo Neto.
" Valid inequalities for the minimum positive path problem in signed digraphs", in <em>Proceedings of the 10th Theory of Computation Meeting</em>, Maceió/AL, 2025, pp. 21-25, doi: <a href="https://doi.org/10.5753/etc.2025.7617">https://doi.org/10.5753/etc.2025.7617</a>.