@article{MS2_1986__58_166968,
     author = {Martin E. Walter},
     title = {Dual algebras.},
     journal = {Mathematica Scandinavica},
     pages = {77--104},
     publisher = {mathdoc},
     volume = {58},
     year = {1986},
     zbl = {0607.22004},
     url = {http://geodesic.mathdoc.fr/item/MS2_1986__58_166968/}
}