@article{10_4064_fm_56_2_223_240,
     author = {H. Pickett},
     title = {Subdirect representations of relational systems},
     journal = {Fundamenta Mathematicae},
     pages = {223--240},
     publisher = {mathdoc},
     volume = {56},
     number = {2},
     year = {1964},
     doi = {10.4064/fm-56-2-223-240},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-56-2-223-240/}
}