@ARTICLE {5725,
author={C. Caleiro and R.  Gonçalves},
doi={10.1007/s11225-013-9495-2},
journal={Studia Logica},
title={Abstract valuation semantics},
year={2013},
month={July},
volume={101},
number={4},
pages={677-712},
ISSN={0039-3215}
}