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"The first-order theory of ordering constraints over feature trees."
Martin Müller, Joachim Niehren, Ralf Treinen (2001)
- Martin Müller, Joachim Niehren
, Ralf Treinen:
The first-order theory of ordering constraints over feature trees. Discret. Math. Theor. Comput. Sci. 4(2): 193-234 (2001)
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