@article{PORMA_1973__32_1_115190,
     author = {Schutte, H.J. and Wessels, S.F.G.},
     title = {Contributions to the theory of (1,1) rings},
     journal = {Portugaliae mathematica},
     pages = {59--69},
     publisher = {mathdoc},
     volume = {32},
     number = {1},
     year = {1973},
     mrnumber = {0323841},
     zbl = {0255.17001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1973__32_1_115190/}
}