@article{GDZPPN002031086, title = {Approximation under an arc length constraint.}, journal = {Aequationes mathematicae}, volume = {18}, year = {1978}, pages = {235-240}, zbl = {0379.41017}, url = {http://dml.mathdoc.fr/item/GDZPPN002031086} }
Keener, L.L.; Ling, W.H. Approximation under an arc length constraint.. Aequationes mathematicae, Tome 18 (1978) pp. 235-240. http://gdmltest.u-ga.fr/item/GDZPPN002031086/