000 00286nam a2200121Ia 4500
008 230413s9999||||xx |||||||||||||| ||und||
082 _a56LE
100 _aLefschetz, Solomon
245 0 _aAlgebraic Topology
260 _bAmerican Mathematical Society
260 _c1942
942 _cBooks
999 _c1754
_d1754