@article{10_1017_S0017089500007606,
     author = {Rhodes, C. P. L.},
     title = {On valuation subalgebras and their centres},
     journal = {Glasgow mathematical journal},
     pages = {115--126},
     year = {1989},
     volume = {31},
     number = {1},
     doi = {10.1017/S0017089500007606},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500007606/}
}