00681nam0-22002531i-450-990001154130403321000115413FED01000115413(Aleph)000115413FED0100011541320000920d1966----km-y0itay50------baengHOMOTOPY theoryby WHITEHEAD,Georg W.Cambridge [Mass.] [etc.]The MIT Press1966Whitehead,George William<1918- >51252ITUNINARICAUNIMARCBK99000115413040332128-M-811872MA1MA1HOMOTOPY theory346335UNINAING01