@article{MOMA_1970__74_177497,
     author = {W. Kuich},
     title = {On the {Convergence} {Parameter} of {Infinite} {Non-negative} {Matrices.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {138--144},
     publisher = {mathdoc},
     volume = {74},
     year = {1970},
     zbl = {0192.36803},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1970__74_177497/}
}