acc. to Shen 2017 (p. 270), this is a translation of 'Phags pa's commentary on The Hevajra Tantra (brtag gnyis), i.e. sa skya bka' 'bum kha skong [1999] (vol. 3, pp. 529-707) Shen 2017 (p. 270)
tiblib ID: LAM5808