Combinatorial systems defined over one- and two-letter alphabets.
Hughes, Ch.E. ; Singletary, W.E.
Archiv für mathematische Logik und Grundlagenforschung, Tome 17 (1975), p. 25-34 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1975-01-01
EUDML-ID : urn:eudml:doc:137899 
@article{GDZPPN00204448X,
     title = {Combinatorial systems defined over one- and two-letter alphabets.},
     journal = {Archiv f\"ur mathematische Logik und Grundlagenforschung},
     volume = {17},
     year = {1975},
     pages = {25-34},
     zbl = {0336.02035},
     url = {http://dml.mathdoc.fr/item/GDZPPN00204448X}
}

Hughes, Ch.E.; Singletary, W.E. Combinatorial systems defined over one- and two-letter alphabets.. Archiv für mathematische Logik und Grundlagenforschung, Tome 17 (1975) pp. 25-34. http://gdmltest.u-ga.fr/item/GDZPPN00204448X/