@article{10_4153_CMB_1969_064_3,
     author = {Hoo, C.S.},
     title = {Multiplication on {Spaces} with {Comultiplication*}},
     journal = {Canadian mathematical bulletin},
     pages = {499--505},
     year = {1969},
     volume = {12},
     number = {4},
     doi = {10.4153/CMB-1969-064-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1969-064-3/}
}