TY - JOUR AU - Anders Kock AU - Leif Kristensen TI - A Secondary Product Structure in Cohomology Theory. JO - Mathematica Scandinavica PY - 1965 SP - 113 EP - 149 VL - 17 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MS2_1965__17_165929/ ID - MS2_1965__17_165929 ER -