The monk Jiejun (戒环) lived during the Northern Song Dynasty. He is noted for his translation of the "Great Wisdom Sutra of the Bodhisattva Maitreya" (弥勒菩萨所问授记经).
Excerpts from the Essential Explanation of the Lotus Sutra (Selected passages from the "Essential Explanation" text) (Volumes 1-12) (妙法蓮華經要解（選錄「要解」本文）)