@article{NUMA_1970__15_131970, author = {J.M. SHAH}, title = {Two-Dimensional {Polynomial} {Splines.}}, journal = {Numerische Mathematik}, pages = {1--14}, publisher = {mathdoc}, volume = {15}, year = {1970}, zbl = {0181.17605}, url = {http://geodesic.mathdoc.fr/item/NUMA_1970__15_131970/} }