@article{GDZPPN001172662,
title = {Construction of Cubature Formulas of Degree Eleven for Symmetric Planar Regions "Using" Orthogonal Polynomials.},
journal = {Numerische Mathematik},
volume = {25},
year = {1975},
pages = {139-148},
zbl = {0319.65020},
url = {http://dml.mathdoc.fr/item/GDZPPN001172662}
}
Haegemanns, A.; Piessens, R. Construction of Cubature Formulas of Degree Eleven for Symmetric Planar Regions "Using" Orthogonal Polynomials.. Numerische Mathematik, Tome 25 (1975) pp. 139-148. http://gdmltest.u-ga.fr/item/GDZPPN001172662/