@article{NUMA_1986__48_133090,
     author = {Wolfgang Volk},
     title = {Globale {Superkonvergenz} bei der {L\"osung} von linearen {Randwertaufgaben.}},
     journal = {Numerische Mathematik},
     pages = {617--626},
     publisher = {mathdoc},
     volume = {48},
     year = {1986},
     zbl = {0562.65058},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1986__48_133090/}
}