@article{bwmeta1.element.desklight-bdf857f6-a68c-4c7e-abda-574a45e41074,
author = {John W. Rutter},
title = {A classification of secondary cohomology operations},
journal = {Colloquium Mathematicae},
volume = {35},
year = {1976},
pages = {241-243},
zbl = {0319.55029},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.desklight-bdf857f6-a68c-4c7e-abda-574a45e41074}
}
John W. Rutter. A classification of secondary cohomology operations. Colloquium Mathematicae, Tome 35 (1976) pp. 241-243. http://gdmltest.u-ga.fr/item/bwmeta1.element.desklight-bdf857f6-a68c-4c7e-abda-574a45e41074/