Jan Van den Bussche, Dirk Van Gucht, Stijn Vansummeren. Well-definedness and semantic type-checking for the nested relational calculus. Theoretical Computer Science, 371(3):183-199, 2007. [doi]
@article{BusscheGV07,
title = {Well-definedness and semantic type-checking for the nested relational calculus},
author = {Jan Van den Bussche and Dirk Van Gucht and Stijn Vansummeren},
year = {2007},
doi = {10.1016/j.tcs.2006.11.007},
url = {http://dx.doi.org/10.1016/j.tcs.2006.11.007},
tags = {type checking},
researchr = {https://researchr.org/publication/BusscheGV07},
cites = {0},
citedby = {0},
journal = {Theoretical Computer Science},
volume = {371},
number = {3},
pages = {183-199},
}