@article{MZ_1975__145_172282,
     author = {Karl Zeller and Kazuo Ishiguro},
     title = {Matrixtransformationen dualer {Folgenr\"aume.}},
     journal = {Mathematische Zeitschrift},
     pages = {195--200},
     publisher = {mathdoc},
     volume = {145},
     year = {1975},
     zbl = {0315.40010},
     url = {http://geodesic.mathdoc.fr/item/MZ_1975__145_172282/}
}