Maki, Sirpa The determination of units in real cyclic sextic fields / Sirpa Maki. - Berlin : Springer, 1980. - 198 p. - Lecture notes in mathematics ; LNM ; v. 797 v. 797 . ISBN: 0-387-09984-0 3-540-09984-0 Descriptores--Materias: Teorķa de cuerpos y polinomios