Brihat Parashara Hora Shastra
ऋक्षे लग्नादिराशीनां दशा राशिदशा स्मृता । भयातं रविभिर्निघ्नं भभोगविहृतं फलम् ॥ १८८॥
In this system there are Dashas of all the 12 Rāśis, including Lagn, in every Nakshatr. Consequently the Bhayat at birth may be multiplied by 12 and then the product should be divided by Bhabhog.
english translation
RkSe lagnAdirAzInAM dazA rAzidazA smRtA । bhayAtaM ravibhirnighnaM bhabhogavihRtaM phalam ॥ 188॥
hk transliteration by Sanscript