Matar, Z., & Kahl, O. (1990). A TREATISE ON THE AMICABLE NUMBERS 220 AND 284 ATTRIBUTED TO ABŪ MA'SHAR AL-BALKHĪ. Journal of Semitic studies, 35(2), 233-243. doi:10.1093/jss/XXXV.2.233
Chicago Style (17th ed.) CitationMatar, Zeina, and Oliver Kahl. "A TREATISE ON THE AMICABLE NUMBERS 220 AND 284 ATTRIBUTED TO ABŪ MA'SHAR AL-BALKHĪ." Journal of Semitic Studies 35, no. 2 (1990): 233-243, https://doi.org/10.1093/jss/XXXV.2.233.
MLA (9th ed.) CitationMatar, Zeina, and Oliver Kahl. "A TREATISE ON THE AMICABLE NUMBERS 220 AND 284 ATTRIBUTED TO ABŪ MA'SHAR AL-BALKHĪ." Journal of Semitic Studies, vol. 35, no. 2, 1990, pp. 233-243, https://doi.org/10.1093/jss/XXXV.2.233.
Warning: These citations may not always be 100% accurate.