Shiva Purana
इक्ष्वाकुः श्रेष्ठदायादो मध्यदेशमवाप्तवान्॥ वसिष्ठवचनादासीत्प्रतिष्ठानं महात्मनः॥ २०॥
Ikshvaku, the best grandson, attained the central region. By the words of Vasishta the great soul was established.
english translation
ikSvAkuH zreSThadAyAdo madhyadezamavAptavAn॥ vasiSThavacanAdAsItpratiSThAnaM mahAtmanaH॥ 20॥
hk transliteration by Sanscript