@article{10_4064_fm171_2_3,
     author = {Martin Arkowitz and Mauricio Gutierrez},
     title = {Equalizers and coactions of groups},
     journal = {Fundamenta Mathematicae},
     pages = {155--165},
     publisher = {mathdoc},
     volume = {171},
     number = {2},
     year = {2002},
     doi = {10.4064/fm171-2-3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm171-2-3/}
}