1. Bodewing E.,Sur la méthode de Laguerre pour l“approximation des racines de certaines équations algebraiques et sur la critique d“Hermete, Nederl. Akad. Wetensch. Proc.49 (1946), 911–921.
2. Durand E.,Solutions numeriques des equations algebriques, Vol. 1—(1960), Masson et Cie, Paris.
3. Kahan W.,Laguerre“s method and a circle which contains at least one zero of a polynomial, SIAM J. Numer Anal.4 (1967) 474–482.
4. Ostrowski A. M.,Solution of equation in euclidean and Banach spaces (1973), Accademic Press, New York.
5. Peluso R. I.,Una famiglia di metodi iterativi per ogni ordine superiore al secondo, Calcolo10 (1973), 145–149.