Chiswell, I.
A Universal construction for groups acting freely on real trees - Cambridge Cambridge University Press 2012 - xiii, 285p. - Cambridge Tracts in Mathematics no. 195 .
978-1-107-02481-6
A Universal construction for groups acting freely on real trees - Cambridge Cambridge University Press 2012 - xiii, 285p. - Cambridge Tracts in Mathematics no. 195 .
978-1-107-02481-6