Vol. 56 No. 1 (257) (2022)

Mathematics

• ON SCHUR MULTIPLIERS OF SOME RELATIVELY FREE GROUPS

  Grigor G. Gevorgyan

  1-6

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• ON NONTRIVIAL SOLVABILITY OF ONE CLASS OF NONLINEAR INTEGRAL EQUATIONS WITH CONSERVATIVE KERNEL ON THE POSITIVE SEMI-AXIS

  Khachatur A. Khachatryan, Alexander R. Hakobyan

  7-18

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• ON INTERVAL EDGE-COLORINGS OF COMPLETE MULTIPARTITE GRAPHS

  Levon N. Muradyan

  19-26

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• PERFECTLY STABLE AND NORMAL SUBGROUPS

  Shant Kh. Navasardyan

  27-32

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• RELATION BETWEEN THE COVARIOGRAM AND DISTRIBUTION FUNCTION OF THE DISTANCE BETWEEN TWO UNIFORM AND INDEPENDENT POINTS

  Victor K. Ohanyan, Vigen H. Khalatyan

  33-42

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