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Translated from Matematicheskie Zametki, Vol. 47, No. 1, pp. 74–80, January, 1990.
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Kalashnikov, A.S. Instantaneous compactification of supports of solutions to semilinear parabolic equations and systems thereof. Mathematical Notes of the Academy of Sciences of the USSR 47, 49–53 (1990). https://doi.org/10.1007/BF01157283
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DOI: https://doi.org/10.1007/BF01157283