@article{MZ_1972__128_171784,
     author = {Joachim Boos},
     title = {Vertr\"aglichkeit von konvergenztreuen {Matrixverfahren.}},
     journal = {Mathematische Zeitschrift},
     pages = {15--22},
     year = {1972},
     volume = {128},
     url = {http://geodesic.mathdoc.fr/item/MZ_1972__128_171784/}
}