@article{ELMA_1972__27_141042,
     author = {H. Stettner},
     title = {Nichtnegative {Matrizen} mit konstanter {Zeilensumme.}},
     journal = {Elemente der Mathematik},
     pages = {13--13},
     publisher = {mathdoc},
     volume = {27},
     year = {1972},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1972__27_141042/}
}