Klem, Estiaan, and Sanne ter Horst. “Characterisation of {<i>P</i><sub>4</sub>, <i>K</i> ̅<sub>3</Sub>}-Free Graphs”. Suid-Afrikaans Tydskrif vir Natuurwetenskap en Tegnologie / <i>South African Journal of Science and Technology</i&gt; 36, no. 1 (July 19, 2017): 1 bladsy. Accessed December 21, 2024. http://satnt.co.za/index.php/satnt/article/view/1461.