@article{10_21136_MB_1996_125941,
     author = {Vaggione, Diego},
     title = {On {J\'onsson's} theorem},
     journal = {Mathematica Bohemica},
     pages = {55--58},
     publisher = {mathdoc},
     volume = {121},
     number = {1},
     year = {1996},
     doi = {10.21136/MB.1996.125941},
     mrnumber = {1388174},
     zbl = {0863.06008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/MB.1996.125941/}
}