@article{GDZPPN001181580,
title = {The Derivation of Cubic Splines with Obstacles by Methods of Optimization and Optimal Control.},
journal = {Numerische Mathematik},
volume = {55},
year = {1987},
pages = {17-32},
zbl = {0628.41012},
url = {http://dml.mathdoc.fr/item/GDZPPN001181580}
}
Opfer, Gerhard; Oberle, Hans Joachim. The Derivation of Cubic Splines with Obstacles by Methods of Optimization and Optimal Control.. Numerische Mathematik, Tome 55 (1987) pp. 17-32. http://gdmltest.u-ga.fr/item/GDZPPN001181580/