00727nam0-22002651i-450-990001131370403321000113137FED01000113137(Aleph)000113137FED0100011313720000920d1989----km-y0itay50------baengAlgebraic homotopyder BAUESCambridge [etc.]Cambridge University Press1989Cambridge studies in advanced mathematics15Baues,Hans Joachim54336ITUNINARICAUNIMARCBK990001131370403321C-43-(155986MA1MA1Algebraic homotopy345517UNINAING01