what is the main common interests of the athīr al-dīn al-abharī and thābit ibn qurra ?
SELECT DISTINCT var_uri where brack_open dbr_Athīr_al-Dīn_al-Abharī dbp_mainInterests var_uri sep_dot dbr_Thābit_ibn_Qurra dbp_mainInterests var_uri brack_close