@article{NUMA_1992__61_3_133629,
     author = {Ronald Cools and Pierre Verlinden},
     title = {On cubature formulae of degree 4k + 1 attaining {M\"oller's} lower bound for integrals with circular symmetry.},
     journal = {Numerische Mathematik},
     pages = {395--408},
     publisher = {mathdoc},
     volume = {61},
     number = {3},
     year = {1992},
     zbl = {0782.41036},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1992__61_3_133629/}
}