Shiva Purana
विमलेश्वरनामा वै कंटकेश्वर एव च॥ पूर्णसागरसंयोगे धर्तुकेशस्तथैव च॥ २२॥
Kaṇṭakeśvara is named Vimaleśvara as well. So also is Dhartukeśa at the confluence of the Pūrṇā and the ocean.
english translation
vimalezvaranAmA vai kaMTakezvara eva ca॥ pUrNasAgarasaMyoge dhartukezastathaiva ca॥ 22॥
hk transliteration by Sanscript