Shiva Purana
सौम्यवारे तथा विष्णुं दध्यन्नेन यजेद्बुधः । पुत्रमित्रकलत्रादिपुष्टिर्भवति सर्वदा ३१ ।
The scholarly devotee shall worship Viṣṇu with curd-rice on Wednesday. Sons, friends, womenfolk etc. will always be well-nourished for ever.
english translation
saumyavAre tathA viSNuM dadhyannena yajedbudhaH । putramitrakalatrAdipuSTirbhavati sarvadA 31 ।
hk transliteration by Sanscript