@article{ETNA_1997__6__a13,
     author = {Dendy,  J.E.jun.},
     title = {Semicoarsening multigrid for systems},
     journal = {Electronic transactions on numerical analysis},
     pages = {97--105},
     year = {1997},
     volume = {6},
     zbl = {0890.65028},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_1997__6__a13/}
}