books.google.co.uk - Presents algorithm for roots of the general quintic equation with enough background information to make the key ideas accessible to non-specialists and even to mathematically oriented readers who are not professional mathematicians. This book includes a chapter on group theory and symmetry, and Galois...http://books.google.co.uk/books/about/Beyond_the_quartic_equation.html?id=9cKX_9zkeg4C&utm_source=gb-gplus-shareBeyond the quartic equation
