@article{DOCMA_1998__S8__a38,
     author = {Freedman, Michael H.},
     title = {Topological views on computational complexity},
     journal = {Documenta mathematica},
     pages = {453--464},
     publisher = {mathdoc},
     volume = {ICM Berlin 1998, Vol. II},
     year = {1998},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DOCMA_1998__S8__a38/}
}