Shiva Purana
युयुधातेऽमरौ वीरौ हंसपक्षींद्र वाहनौ । वैरंच्या वैष्णवाश्चैवं मिथो युयुधिरे तदा 1-6-१० ।
The celestial warriors, who were mighty and rode on swan-like vehicles, Fought with each other, with the Vaishnavas and others engaged in a fierce conflict.
english translation
yuyudhAte'marau vIrau haMsapakSIMdra vAhanau । vairaMcyA vaiSNavAzcaivaM mitho yuyudhire tadA 1-6-10 ।
hk transliteration by Sanscript