Shiva Purana
राहुः शल्यो सुबलिनो बलश्चैव महाबलः ॥ वातापिर्नमुचिश्चैवाथेल्वलः स्वसृपस्तथा ॥ ३५ ॥
Rahu Shalya is very strong and Bala is very strong Vatapi and Namuchi and Athelvala and Svasripa.
english translation
rAhuH zalyo subalino balazcaiva mahAbalaH ॥ vAtApirnamucizcaivAthelvalaH svasRpastathA ॥ 35 ॥
hk transliteration by Sanscript