{dpal gsang ba 'dus pa'i rtsa rgyud le'u bcu bdun po so so'i rdo rje'i tshig rkang zab mo'i lam 'khrugs pa rnams sgrub pa po'i nyams len gyi rim par bsgrigs pa le'u so so'i dka' gnad mtha' gcod pa'i gung ma dang bcas pa rin po che'i gter mdzod} a presentation of the teachings of the Guhyasamaja tantra for the practice according to the systematic approach of the dge lugs pa tradition; by {'dul nag pa dpal ldan bzang po}