@article{10_4153_CJM_1982_048_9,
     author = {Fiedorowicz, Z. and May, J. P.},
     title = {Homology {Operations} {Revisited}},
     journal = {Canadian journal of mathematics},
     pages = {700--717},
     year = {1982},
     volume = {34},
     number = {3},
     doi = {10.4153/CJM-1982-048-9},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1982-048-9/}
}