Progovac, Ljiljana. 1992. Negative polarity: a semantico-syntactic approach. Lingua 86. 271–299.
@article{haspelmathindefpro-progovac1992,
author = {Progovac, Ljiljana},
journal = {Lingua},
pages = {271–299},
title = {Negative polarity: a semantico-syntactic approach},
volume = {86},
year = {1992}
}