@article{NUMA_1985__46_132990,
     author = {P. Lesaint and M. Laydi},
     title = {Sur les \'el\'ements finis rationnels de {Serendip} de degr\'e quelconque.},
     journal = {Numerische Mathematik},
     pages = {175--188},
     publisher = {mathdoc},
     volume = {46},
     year = {1985},
     zbl = {0577.65004},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1985__46_132990/}
}