Mahabharata 3.130.14

एष उज्जानको नाम यवक्रीर्यत्र शान्तवान्अरुन्धतीसहायश्च वसिष्ठो भगवानृषिः

eṣa ujjānako nāma yavakrīryatra śāntavānarundhatīsahāyaśca vasiṣṭho bhagavānṛṣiḥ

Our plain-language meaning of this verse is waiting for scholar review.