Combinatorial group theory:
Magnus, Wilhelm.
Combinatorial group theory: presentations of groups in terms of generators and relations Wilhelm Magnus; Abraham Karrass and Donald Solitar. - 2nd rev. ed. - New York : Dover, 2004. - x, 444 p.
0486438309
Nielsen transformations.
Commutator calculus.
512.2 M275C2
Combinatorial group theory: presentations of groups in terms of generators and relations Wilhelm Magnus; Abraham Karrass and Donald Solitar. - 2nd rev. ed. - New York : Dover, 2004. - x, 444 p.
0486438309
Nielsen transformations.
Commutator calculus.
512.2 M275C2