@article{GDZPPN001168649,
title = {Two-Dimensional Polynomial Splines.},
journal = {Numerische Mathematik},
volume = {15},
year = {1970},
pages = {1-14},
zbl = {0181.17605},
url = {http://dml.mathdoc.fr/item/GDZPPN001168649}
}
SHAH, J.M. Two-Dimensional Polynomial Splines.. Numerische Mathematik, Tome 15 (1970) pp. 1-14. http://gdmltest.u-ga.fr/item/GDZPPN001168649/