楞伽阿跋多羅寶經註解 2.201

2.201

「此三種有三結下、中、上。云何三結？謂身見、疑、戒取，是三結差別，上上昇進得阿羅漢。」

"These three kinds have three fetters: lower, middling, and superior. What are the three fetters? They are view of self, doubt, and attachment to rules and rituals. These are the distinctions of the three fetters, by advancing progressively through which one attains the status of an arhat."