@article{01428683, title = {Basis of quartic splines over triangulation.}, journal = {Journal for Geometry and Graphics}, volume = {3}, year = {1999}, pages = {161-176}, zbl = {0961.53003}, language = {en}, url = {http://dml.mathdoc.fr/item/01428683} }
Pílnikova, Jana; Chalmovianský, Pavel. Basis of quartic splines over triangulation.. Journal for Geometry and Graphics, Tome 3 (1999) pp. 161-176. http://gdmltest.u-ga.fr/item/01428683/