Références
P. Fischer, On the inequality∑ p i f(p i ) ≦∑ p i f(q i ),Metrika 20 (1972), 199–208.
P. Fischer, On the inequality∑ g(p i )f(p i ) ≦∑ g(p i )f(q i ),Aequationes Math. (sous presse).
P. Fischer, On the inequality\(\sum {p_i \frac{{f(p_i )}}{{f(q_i )}} \leqq 1} \),Canad. Math. Bull. (sous presse).
Prem Nath, Communication privée.
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Fischer, P. Sur l'inégalité∑ [p i f(p i ) +q i f(q i )] ≦∑ [p i f(q i ) +q i f(p i )]. Period Math Hung 5, 87–92 (1974). https://doi.org/10.1007/BF02020542
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DOI: https://doi.org/10.1007/BF02020542