Brihat Parashara Hora Shastra
तृतीयलाभगे नीचे लग्नं पश्यति वा तथा । लग्नांशकेन्द्रेषु शुभे निग्रहानुग्रहक्षमः ॥ ३१॥
Again similar result will prevail, if a debilitated Grah, placed in Sahaj, or Labh Bhava, gives a Drishti to Lagn.
english translation
tRtIyalAbhage nIce lagnaM pazyati vA tathA । lagnAMzakendreSu zubhe nigrahAnugrahakSamaH ॥ 31॥
hk transliteration by Sanscript