@book{91457,
	author = {Omar Khayyam, and Hazeldine, Norton F. W.,},
	title = {The Sufism of the Rubáiyát, or, the Secret of the Great Paradox},
	publisher = {Project Gutenberg,},
	year = {2015},
	address = {Salt Lake City, UT :},
	note = {Release date is 2015-12-05},
	url = {https://www.gutenberg.org/ebooks/50619}
}