@article{GDZPPN002348020, title = {On a Cartan Formula for Secondary Cohomology Operations.}, journal = {Mathematica Scandinavica}, volume = {16}, year = {1965}, pages = {97-115}, zbl = {0151.31203}, url = {http://dml.mathdoc.fr/item/GDZPPN002348020} }
Kristensen, Leif. On a Cartan Formula for Secondary Cohomology Operations.. Mathematica Scandinavica, Tome 16 (1965) pp. 97-115. http://gdmltest.u-ga.fr/item/GDZPPN002348020/