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MATHEMATICS
On the equation $\varphi(z)=\varphi_1(x)+\varphi_2(x)+\varphi_3(x+y)$
J. I. Bogoljubov Institute of Mathematics, Siberian Branch of USSR Academy of Sciences, Novosibirsk
Citation:
J. I. Bogoljubov, “On the equation $\varphi(z)=\varphi_1(x)+\varphi_2(x)+\varphi_3(x+y)$”, Dokl. Akad. Nauk SSSR, 210:4 (1973), 753–755
Linking options:
https://www.mathnet.ru/eng/dan37692 https://www.mathnet.ru/eng/dan/v210/i4/p753
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