Surya Siddhanta
कुजार्किगुरुपातानाम् ग्रहवच् छीघ्रजम् फलम् । वामम् तृतीयकम् मान्दम् बुधभार्गवयोः फलम् ॥
Add or subtract the 2nd equations of Mars, Saturn and Jupiter (found in the 4th operation) to or from their nodes according, as the 2nd equations applied to the (rectified mean) places of the planets: but in respect of Mercury and Venus add or subtract their 1st equations (found in the 3rd operation, to or from their nodes) according as their 1st equations are subtractive or additive respectively (the results are the rectified nodes).
english translation
kujArkigurupAtAnAm grahavac chIghrajam phalam । vAmam tRtIyakam mAndam budhabhArgavayoH phalam ॥
hk transliteration by Sanscript