@article{10_4064_ap_45_2_105_120,
     author = {P. D. Johnson Jr. and R. N. Mohapatra},
     title = {The maximal normal subspace of the inverse image of a normal space of sequences by a non-negative matrix transformation},
     journal = {Annales Polonici Mathematici},
     pages = {105--120},
     publisher = {mathdoc},
     volume = {45},
     number = {2},
     year = {1985},
     doi = {10.4064/ap-45-2-105-120},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-45-2-105-120/}
}