000			00512nam a2200157Ia 4500
005			20241211205649.0
008			241211s1952 xx 000 0 und d
020			_afcnm2509
082			_a514.22I/P77
100			_aPontryagin, L. S.
245		0	_aFoundations of Combinatorial Topology
260			_aUnited States of America : _bGraylock Press, _c1952
300			_a99 páginas
505			_a1.Complexes and their groups. 2.The invariance of betti groups. 3.Continuous mappings and fixed points.
942			_yLIB
999			_c51730 _d51730