@article{GDZPPN001180487, title = {Spline Approximant in Hilbertian Subspaces of ...(...).}, journal = {Numerische Mathematik}, volume = {50}, year = {1986}, pages = {291-304}, zbl = {0577.65007}, url = {http://dml.mathdoc.fr/item/GDZPPN001180487} }
Benbourhim, Mohammed-Najib. Spline Approximant in Hilbertian Subspaces of ...(...).. Numerische Mathematik, Tome 50 (1986) pp. 291-304. http://gdmltest.u-ga.fr/item/GDZPPN001180487/