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The research was supported by the Russian Foundation for Fundamental Research (grant 93-011-179).
Translated fromSibirskiî Matematicheskiî Zhurnal, Vol. 35, No. 2, pp. 407–409, March–April, 1994.
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Marenich, V.B. On connection of the geometry of a four-dimensional open manifold with the topology of its ideal boundaries. Sib Math J 35, 367–368 (1994). https://doi.org/10.1007/BF02104783
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DOI: https://doi.org/10.1007/BF02104783