Suzuki, Takanori A solution of the qibla problem by Abu’l-Qāsim Aḥmad ibn Muḥammad al-Ghandajānī. (English) Zbl 1238.01071 Z. Gesch. Arabisch-Islamischen Wiss. 4, 139-148 (1987-1988). MSC: 01A30 History of mathematics in the Golden Age of Islam Biographic References: al-Ghandajānī PDFBibTeX XMLCite \textit{T. Suzuki}, Z. Gesch. Arabisch-Islamischen Wiss. 4, 139--148 (1988; Zbl 1238.01071)