Bring, E. S. Quart. J. Math.6, 1864.Grunert, J. A. "VIII. Miscellen von dem Herausgeber." Archiv der Math. Phys.41,
105-112, 1864.Harley, R. "A Contribution to the History of the
Problem of the Reduction of the General Equation of the Fifth Degree to a Trinomial
Form." Quart. J. Math.6, 38-47, 1864.Ruppert, W. M.
"On the Bring Normal Form of a Quintic in Characteristic 5." Arch. Math.58,
44-46, 1992.Tortolini, B. "Rivista bibliografica sopra a transformazione
del Sig. Jerrard per l'equazioni di quinto grado." Annali di Mat. pura appl.6,
33-42, 1864.