R. B. King, E. R. Canfield (1992-08-01), "Icosahedral symmetry and the quintic equation", Computers & Mathematics with Applications, vol. 24, no. 3, pp. 13–28, doi:10.1016/0898-1221(92)90210-9, ISSN0898-1221
Alvaro H. Salas, Lorenzo J. H. Martinez, David L. R. Ocampo R. (2021-10-11), "Approximation of Elliptic Functions by Means of Trigonometric Functions with Applications", Mathematical Problems in Engineering, vol. 2021, pp. e5546666, doi:10.1155/2021/5546666, ISSN1024-123X{{citation}}: CS1 maint: multiple names: authors list (link)
R. B. King, E. R. Canfield (1992-08-01), "Icosahedral symmetry and the quintic equation", Computers & Mathematics with Applications, vol. 24, no. 3, pp. 13–28, doi:10.1016/0898-1221(92)90210-9, ISSN0898-1221
Alvaro H. Salas, Lorenzo J. H. Martinez, David L. R. Ocampo R. (2021-10-11), "Approximation of Elliptic Functions by Means of Trigonometric Functions with Applications", Mathematical Problems in Engineering, vol. 2021, pp. e5546666, doi:10.1155/2021/5546666, ISSN1024-123X{{citation}}: CS1 maint: multiple names: authors list (link)