@article{GDZPPN001186361, title = {Two shape preserving Lagrange ...-interpolants.}, journal = {Numerische Mathematik}, volume = {66}, year = {1993}, pages = {1-12}, zbl = {0804.65011}, url = {http://dml.mathdoc.fr/item/GDZPPN001186361} }
Archer, J.C.; Le Gruyer, E. Two shape preserving Lagrange ...-interpolants.. Numerische Mathematik, Tome 66 (1993) pp. 1-12. http://gdmltest.u-ga.fr/item/GDZPPN001186361/