Trividha Vishnu Sahasranamams The three Sahsranama stotrams dedicated to Lord Vishnu are found in Padma Purana,Skanda Purana and the Mahabharata.They are together called the "Trividha Vishnu Sahasranamams".Similarly,for Shiva we have "Chaturvidha Sahsranamams" but from Agama Texts we have many more. Anyways,the verse in question appears within the Dhyana Sloka of the Vishnu Sahasranama that is from the Anushasanika Parva of Mahabharata. Also, as you can see from the passage given below, that Vyasa is mentioned as the Rishi of the stotram so Vyasa only is the author of those verses. शान्ताकारं भुजगशयनं पद्मनाभं सुरेशं विश्वाधारं गगनसदृशं मेघवर्ण शुभाङ्गम् । लक्ष्मीकान्तं कमलनयनं योगिभिर्ध्यानगम्यम् वन्दे विष्णुं भवभयहरं सर्वलोकैकनाथम् ॥ Asya Shri Vishnordivya Sahasra naama Stotra Maha Mantrasya Shri Veda Vyaaso Bhagavan Rishih Anushtup Chhandah Shri Maha Vishnuh Paramatmaa Shrimannarayano Devata Amritaamshad – bhavo Bhanuriti beejam, Devaki nandanassrashteti Shaktih, Udbhavah Kshobhano Deva iti paramo Mantrah Shankha bhrinnandakeecha Chakriti keelakam, Sharangadhanvaa Gadaa dhara ithystram Rathaanga paani rakshobhya iti netram, Trisaamaa saamagassaameti kavacham, Aanandam Parabrahmeti yonih, Rithussudarshanah Kaala iti digbandhah Vishwarupa itidhyanam Shri Maha Vishnu preetyarthey kainkaryarupey Shri Vishnu Sahasra naama japey viniyogah...... Dhyaanam: Ksheerodanvatpradeshe Shuchimani Vilasatsaikatey Mouktikaanaam, Maalaaklaptaa –sanasthah Sphatika Mani nibhair mouktikair manditaangaha/ Shubhrabhrairadabhrairupari virachitairmukta peeyusha varshaih, Anandeenah puneeyaadari naleenagadaa shankha paanirmukundah/ Bhu paadasya naabhirviyadadasrura nilaschandra Suryoucha Netrey, Karnaavaashaashiro Dyormukhamkapi dakanoyasya vaasyamdbhih/ Antastham yasya Vishwam Sura nara khaga Gobhogi Gandharvadaityaschitramram Ramyate tam Tribhuvana vapusham Vishnu meesham Namaami/ Shantaakaaram Bhujagashayanam Padmanaabham Suresham, Vishwaakaaram Gagana sadrusham Meghavarnam Shubhangam/ Lakshmi kaantam Kamala nayanam Yogi hriddhyaana gamyam, Vandey Vishnum Bhavabhayaharam Sarva Lokaika naatham/ Meghashyaamam Peetakousheya vaasam Shri Vatsaangkam Koustubhodbhaasitangam, Punyopetam Pundarikayataaksham Vishnum vandey Sarva Lokaika naatham/ Sashankha chakram Sakireeta kundalam Sapeeta Vastram Saraseeruhekshanam, Sahaara Vakshahsthala Koustubham Namaami Vishnum Shirasaa Chaturbhujam/ Harih Om/