THIS IS MANTRA NO. 609 FROM "SHREE VISHNU-SAHASRANAM".
श्रीविभावनाय नमः
shrIvibhAvanAya namaH
Tika by OM VishnuPad Parashara Bhatta MahAcharya (Shree Ramanuja-Sampradaya): The Glory and Splendour of Bhagavan Shree Vishnu is actually only due to His assosiation with Shreemati MahaLakshmi-Devi.
And the Praman is "Shree Ramayana", the following words uttered by Maricha in front of Ravana: "The Tejas of Rama is Unfathomable because He is the Lord of Janaka's Daughter [Shreemati Sita-Devi or Shreemati MahaLakshmi-Devi]"
Tika by Shree ShankarAcharya: Shreemati MahaLakshmi-Devi (Shree) confers on men various kinds of wealth (Shree) according to their past karmas.