Shiva Purana
इत्युक्त्वा सूर्यसंकाशं चक्रं दृष्ट्वा मनोमयम् ॥ प्रणिपत्य महादेवं विससर्ज पितामहः ॥ ५४ ॥
After saying this Brahmā created a mental wheel as bright as the sun. After bowing to lord Śiva he released it.
english translation
ityuktvA sUryasaMkAzaM cakraM dRSTvA manomayam ॥ praNipatya mahAdevaM visasarja pitAmahaH ॥ 54 ॥
hk transliteration by Sanscript