Recently I have published the Russian translation of Sutra NO.18 from "Shree Rahasya-Ratnavali-Hridayam" by OM VishnuPad Shree Vedanta Desika MahAcharya.
As we all remember Sutra NO. 18 of "Shree Rahasya-Ratnavali-Hridayam" is
The only Pramana which exists for me is just "Shree Lakshmi-Tantra", the Only Adored Goddess is Shreemati Lakshmi-Devi