@inproceedings{broman06,
 author = {David Broman and Kaj Nystr\&\#246;m and Peter Fritzson},
 title = {Determining over- and under-constrained systems of equations using structural constraint delta},
 booktitle = {GPCE '06: Proceedings of the 5th international conference on Generative programming and component engineering},
 year = {2006},
 isbn = {1-59593-237-2},
 pages = {151--160},
 location = {Portland, Oregon, USA},
 doi = {http://doi.acm.org/10.1145/1173706.1173729},
 publisher = {ACM Press},
 address = {New York, NY, USA},
 }