Shiva Purana
महावीर्यं तदस्त्रं च वेदशीर्षश्च पर्वतः ॥ हिमवत्पृष्ठमासाद्य सरस्वत्यास्तथोत्तरे ॥ १३॥।
The mighty weapon and the mountain Vedashirsa Reaching the back of the Himalayas and the north of the Saraswati.
english translation
mahAvIryaM tadastraM ca vedazIrSazca parvataH ॥ himavatpRSThamAsAdya sarasvatyAstathottare ॥ 13॥।
hk transliteration by Sanscript