@article{10_4064_cm_19_1_5_8,
     author = {Ernest P{\l}onka},
     title = {On a problem of {Bjarni} {J\'onsson} concerning automorphisms of a general algebra},
     journal = {Colloquium Mathematicum},
     pages = {5--8},
     publisher = {mathdoc},
     volume = {19},
     number = {1},
     year = {1968},
     doi = {10.4064/cm-19-1-5-8},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-19-1-5-8/}
}