@article {45, title = {A closed PP form of box splines via Green{\textquoteright}s function decomposition}, journal = {Journal of Approximation Theory}, volume = {233}, year = {2018}, month = {09/2018}, pages = {37--57}, doi = {10.1016/j.jat.2018.04.002}, url = {https://doi.org/10.1016/j.jat.2018.04.002}, author = {Joshua J. Horacsek and Usman Alim} }