RUSSIA
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 1992 lobachevsky3
|  1996 kovalev2
|  1996 schmidt3
|
 2000 luzin
|  2005 leonardo44
|  2007 euler12
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 2008 landau_lev7
|  2011 keldysh4
|  2011 lomonosov14
|
 2014 steklov2
|  2017 lobachevsky4
|  2020 euler19
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 2020 kovalevskaya4
|  2021 chebyshev3
|