@article{10_4064_fm_99_2_93_112,
     author = {R. Knoebel},
     title = {Further conclusions on functional completeness},
     journal = {Fundamenta Mathematicae},
     pages = {93--112},
     publisher = {mathdoc},
     volume = {99},
     number = {2},
     year = {1978},
     doi = {10.4064/fm-99-2-93-112},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-99-2-93-112/}
}