Phaladeepika
गुलिकं रविसूनुं च गुणित्वा नवसंख्यया । उभयोरैक्यराश्यंशगृहगे रविजे मृतिः ॥ १३॥
Multiply by 9 the figures for Mandi and Saturn. Add the two products and find out the particular Rasi and its Navamsa which the total indicates. When Saturn passes through this, death will happen.
english translation
gulikaM ravisUnuM ca guNitvA navasaMkhyayA । ubhayoraikyarAzyaMzagRhage ravije mRtiH ॥ 13॥
hk transliteration by Sanscript