no. 2
A note on the iteration of infinite matrices
RAIRO. Informatique théorique et applications, Tome 22 (1988) no. 2, pp. 163-171 
@article{ITA_1988__22_2_163_0,
     author = {Wechler, Wolfgang},
     title = {A note on the iteration of infinite matrices},
     journal = {RAIRO. Informatique th\'eorique et applications},
     pages = {163--171},
     year = {1988},
     publisher = {EDP-Sciences},
     volume = {22},
     number = {2},
     mrnumber = {951337},
     zbl = {0645.68085},
     language = {en},
     url = {https://www.numdam.org/item/ITA_1988__22_2_163_0/}
}
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Wechler, Wolfgang. A note on the iteration of infinite matrices. RAIRO. Informatique théorique et applications, Tome 22 (1988) no. 2, pp. 163-171. https://www.numdam.org/item/ITA_1988__22_2_163_0/

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