COHEN, Daniel E.
Combinatorial group theory: a topologial approach - Cambridge Cambridge University press 1989 - 309 p.- - London Mathematical Society student texts: no.14 .
121441
514.22 / COH
Combinatorial group theory: a topologial approach - Cambridge Cambridge University press 1989 - 309 p.- - London Mathematical Society student texts: no.14 .
121441
514.22 / COH