Brihat Parashara Hora Shastra
द्वितीये पञ्चमे जीवे बुधशुक्रयुतेक्षिते । क्षत्रे तयोर्वा सम्प्रप्ते योगः स च कलानिधिः ॥ ३१॥
Kalanidhi Yog. If Guru is placed in Dhan, or Putr Bhava and receives a Drishti from Budh and Śukr, Kalanidhi Yog is caused.
english translation
dvitIye paJcame jIve budhazukrayutekSite । kSatre tayorvA samprapte yogaH sa ca kalAnidhiH ॥ 31॥
hk transliteration by Sanscript