@article{GDZPPN001174800, title = {On Cubature Formulae with a Minimal Number of Knots.}, journal = {Numerische Mathematik}, volume = {30}, year = {1978}, pages = {281-298}, zbl = {0427.65014}, url = {http://dml.mathdoc.fr/item/GDZPPN001174800} }
Schmid, H.J. On Cubature Formulae with a Minimal Number of Knots.. Numerische Mathematik, Tome 30 (1978) pp. 281-298. http://gdmltest.u-ga.fr/item/GDZPPN001174800/