Brihat Jataka
स्थानान्यथैतानि सर्णयित्वा सर्वाण्यधश्छेदविवर्जितानि ॥ दशाब्द पिण्डे गुणका यथांशं छेदस्तदैक्यैन दशाप्रभेद: ॥ ८-४ ॥
Having determined the fractions of the main ruling period for the various planets located in the houses enumerated with reference to the dasa lord, their proportion of the main ruling periods should be worked out. These will be their subperiods.
english translation
sthAnAnyathaitAni sarNayitvA sarvANyadhazchedavivarjitAni ॥ dazAbda piNDe guNakA yathAMzaM chedastadaikyaina dazAprabheda: ॥ 8-4 ॥
hk transliteration by Sanscript