Pijush K. Ghosh, Pradeep K. Jain. An algebra of geometric shapes. IEEE Computer Graphics and Applications, 13(5):50-59, 1993. [doi]
@article{GhoshJ93,
title = {An algebra of geometric shapes},
author = {Pijush K. Ghosh and Pradeep K. Jain},
year = {1993},
doi = {10.1109/38.232114},
url = {http://doi.ieeecomputersociety.org/10.1109/38.232114},
researchr = {https://researchr.org/publication/GhoshJ93},
cites = {0},
citedby = {0},
journal = {IEEE Computer Graphics and Applications},
volume = {13},
number = {5},
pages = {50-59},
}