Full reference OpenMind biblio ref
DeYoung, Gregg. 1994. “Ibn Al-Sari on Ex Aequali Ratios: His Critique of Ibn Al-Haytham and His Attempt to Improve the Parallelism Between Books V and VII of Euclid’s ’Elements’”. Zeitschrift für Geschichte Der Arabisch-Islamischen Wissenschaften, 99-152.
{ Gregg DeYoung, 1994 #10789 }