The (Δ, D) and (Δ, N) problems in double-step digraphs with unilateral diameter

Dalfó, C., & Fiol, M. À. (2013). The (Δ, D) and (Δ, N) problems in double-step digraphs with unilateral diameter. In The Seventh European Conference on Combinatorics, Graph Theory and Applications (pp. 91–96). Scuola Normale Superiore. https://doi.org/10.1007/978-88-7642-475-5_15