@article{MZ_1968__106_171029,
     author = {Samuel Merrill},
     title = {Maximality of {Certain} {Algebras} {H...(dm).}},
     journal = {Mathematische Zeitschrift},
     pages = {261--266},
     year = {1968},
     volume = {106},
     url = {http://geodesic.mathdoc.fr/item/MZ_1968__106_171029/}
}