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Известия Национальной академии наук Беларуси. Серия физико-математических наук

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Том 62, № 1 (2026)
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https://doi.org/10.29235/1561-2430-2026-62-1

МАТЕМАТИКА

27-37 127
Анатацыя

In this work, we search for infinitesimal equivalence transformations of 16 families of quasi-linear elliptic equations of the second order in two variables. A symmetry reduction has been performed for the families of equations utt + uxx = f(t,x,u), utt + uxx = f(x,u).

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ISSN 1561-2430 (Print)
ISSN 2524-2415 (Online)