1.
ERDOĞAN H Î. A QUASI-GROUP ASSOCIATED WITH THE WEB FORMED BY THREE PENCILS OF CIRCLES WHICH BELONG TO THE SAME BUNDLE. Period. Polytech. Transp. Eng. [Internet]. 1991 Jan. 1 [cited 2024 May 4];19(1-2):37-40. Available from: https://pp.bme.hu/tr/article/view/6680