@article{10_4064_am_18_3_427_431,
     author = {F. K\"orner},
     title = {Zur {Struktur} der {Ersatznebenbedingung} bei der {Filtermethode}},
     journal = {Applicationes Mathematicae},
     pages = {427--431},
     publisher = {mathdoc},
     volume = {18},
     number = {3},
     year = {1983},
     doi = {10.4064/am-18-3-427-431},
     zbl = {0563.90077},
     language = {de},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am-18-3-427-431/}
}