01098nam2-2200349---450-99000334112020331620091028111330.00-521-23108-6000334112USA01000334112(ALEPH)000334112USA0100033411220091028d1980----km-y0itay50------baengGB||||||||001yyTopics in the theory of group presentationsD. L. JohnsonCambridge [etc.]Cambridge University presscopyr. 1980VII, 311 p.24 cmLondon mathematical society lecture notes series420010003341032001London mathematical society lecture notes series42Teoria dei gruppi512.2JOHNSON,D. L.440829ITsalbcISBD990003341120203316510 MSL (42)9413/CBS51000111404BKSCIRSIAV79020091028USA011113Topics in the theory of group presentations1124992UNISA