Summary
Viene data la condizione necessaria e sufficiente perchè le funzioni razionali di una variabile, aventi poli di ordine prefissato in assegnati punti del piano complesso, costituiscano un sistema completo iu Co (0, 1).
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A Bruno Finzi nel suo70 mo compleanno.
This research has been sponsored in part by the Aerospace Research Laboratoires through the European Office of Aerospace Research, OAR, United States Air Force, under Grant EOOAR-69-0066.
Entrata in Redazione il 22 aprile 1970.
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Fichera, G. Uniform approximation of continuous functions by rational functions. Annali di Matematica 84, 375–386 (1970). https://doi.org/10.1007/BF02413662
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DOI: https://doi.org/10.1007/BF02413662