@article{NUMA_1981__37_132741,
     author = {L. Mansfield},
     title = {On the {Multigrid} {Solution} of {Finite} {Element} {Equations} {With} {Isoparametric} {Elements.}},
     journal = {Numerische Mathematik},
     pages = {423--432},
     publisher = {mathdoc},
     volume = {37},
     year = {1981},
     zbl = {0464.65063},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1981__37_132741/}
}