bskor ba'i rgyan gsum
From Rangjung Yeshe Wiki - Dharma Dictionnary
the three ornaments of bskor ba. [IW]
the Three Ornaments of bskor ba bskor ba'i rgyan: 1) don bskor ba dang, 2) tshig bskor ba, 3) tshig don gnyis ka bskor ba. [IW]