@article{MZ_1968__106_171003,
     author = {Michael Stieglitz},
     title = {Permanenzs\"atze f\"ur zeileninfinite {Matrixverfahren} zur {Limitierung} von {Doppelfolgen.}},
     journal = {Mathematische Zeitschrift},
     pages = {55--66},
     publisher = {mathdoc},
     volume = {106},
     year = {1968},
     zbl = {0157.11201},
     url = {http://geodesic.mathdoc.fr/item/MZ_1968__106_171003/}
}