HOÁNG, Ghính T. Algorithms for Minimum Weighted Colouring of Perfectly Ordered, Comparability, Triangulated, and Clique Separable Graphs. 1. ed. Bonn : Inst. für Ökonometrie und Operations Research, 1990. 12 s. Report, 90632 - OR. [Počet ex. : 1, z toho voľných 1, prezenčne 0]