TY - JOUR AU - Angeltveit, Vigleik TI - Topological Hochschild homology and cohomology of A∞ ring spectra JO - Geometry & topology PY - 2008 SP - 987 EP - 1032 VL - 12 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.2140/gt.2008.12.987/ DO - 10.2140/gt.2008.12.987 ID - GT_2008_12_2_a7 ER -