Analysis of information sources in references of the Wikipedia article "Al-Hakim al-Nishapuri" in English language version.
The great Ash'ari theological school was flourishing under Abu at-Tayyib as-Su'laki (d. 398), Ibn Furak (d. 406), al-Hakim an-Naisaburi (d. 405) and Abu Ishaq al-Isfara'ini