Delta-Wye Transformations and the Efficient Reduction of Almost-Planar Graphs. - Isidoro Gitler; Gustavo Sandoval-Angeles (Electron. Notes Discret. Math., 2017)

An algorithm for delta-wye reduction of almost-planar graphs. - Isidoro Gitler; Gustavo Sandoval-Angeles (Discret. Appl. Math., 2020)