@article{NUMA_1982__39_132796,
     author = {J.N. Lyness and L. Gatteschi},
     title = {On {Quasi} {Degree} {Quadrature} {Rules.}},
     journal = {Numerische Mathematik},
     pages = {259--268},
     publisher = {mathdoc},
     volume = {39},
     year = {1982},
     zbl = {0499.41023},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1982__39_132796/}
}