00370nam a2200109Ia 4500008004100000082001700041100002300058245002600081260005600107300003400163440006300197260722b        |||||||| |||| 00| 0 eng d  a514bL495.AT  aLefschetz, Solomon  aAlgebraic topologyb/  aRhode Island:bAmerican Mathematical Society,c1942  avi, 389p. Index, Bibliography  aAmerican Mathematical Society Colloquium Publications ; 27