References

RRĂ…, V.kh., 11, 1.1
  siddhaiḥ sūtavarasya karma vividhaṃ khyātaṃ vicitraiḥ kramaiḥ sādhyāsādhyavivekato hy anubhavan dṛṣṭvā samastaṃ mayā /Context