MILANIČ, Martin, RIZZI, Romeo in TOMESCU, Alexandru I., 2014, Set graphs. II. Complexity of set graph recognition and similar problems. [na spletu]. 2014. Vol. 547, p. 70–81. [Dostopano 11 april 2025]. DOI 10.1016/j.tcs.2014.06.017. Pridobljeno s: http://dx.doi.org/10.1016/j.tcs.2014.06.017