2007
Sharygin - Math Standard - 500 Geometry Problems 2nd ed ru
    https://vk.com/doc515221370_492348791?hash=57ad0d7b7df75caaa1
    B43C9258C2FE725D7A0084EA1D19D0A9
    055ACFB6D226F32EE7E201311D93B158
    41B02500930E16188F7BF22A3E1E477E
2001
SharyginGordin - Geometry Problemsbook 5000 Problems with Answers ru
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    B1C4CED56B713E23002BF573E7DEE2F7
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