1 Hong Sung Sa, "Solutions of Equations in East Mathematics" 2013
2 Hong Young Hee, "Polynomials and Polynomial Functions" 2013
3 홍성사, "Mathematical Structures of Polynomials in Jeong Yag-yong's Gugo Wonlyu" 한국수학사학회 29 (29): 257-266, 2016
4 홍성사, "Mathematical Structures of JeongYag-yong’s Gugo Wonlyu" 한국수학사학회 28 (28): 301-310, 2015
1 Hong Sung Sa, "Solutions of Equations in East Mathematics" 2013
2 Hong Young Hee, "Polynomials and Polynomial Functions" 2013
3 홍성사, "Mathematical Structures of Polynomials in Jeong Yag-yong's Gugo Wonlyu" 한국수학사학회 29 (29): 257-266, 2016
4 홍성사, "Mathematical Structures of JeongYag-yong’s Gugo Wonlyu" 한국수학사학회 28 (28): 301-310, 2015