Wang, D. J. (2020). Deviation Inequalities of Sub-Gaussian Random Matrix [master's thesis, National Chiao Tung University]. Airiti Library. https://www.airitilibrary.com/Article/Detail?DocID=U0030-1504202111220757
Hazlewood, D. G. (1979). GAUSSIAN INTEGERS WITH SMALL PRIME FACTORS. International Journal of Mathematics and Mathematical Sciences, 1979(), 81-90. https://doi.org/10.1155/S0161171279000089