On strongly circular-perfectness. - Sylvain Coulonges; Arnaud Pêcher; Annegret Wagler (Electron. Notes Discret. Math., 2005)

Circular-Perfect Concave-Round Graphs. - Sylvain Coulonges (WG, 2006)

Triangle-free strongly circular-perfect graphs. - Sylvain Coulonges; Arnaud Pêcher; Annegret Katrin Wagler (Discret. Math., 2009)

Characterizing and bounding the imperfection ratio for some classes of graphs. - Sylvain Coulonges; Arnaud Pêcher; Annegret Wagler (Math. Program., 2009)