Аналитическая геометрия и линейная алгебра. Умнов А.Е. - 117 стр.

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                                                         = λ  ¯ºmËËä ¹¯«ä‚  M 3 M 3′  ¹È¯ÈããËã ӂ  M4M2
                                             M3 M4
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          ¯ÈããËã Ó© ˆº m °Òã‚ ˆËº¯Ëä©                                   M 4 M 2 M 3′ M 3  Ò M 4∗ M 2∗ M 3′ ∗ M 3∗ 
                                                                                                   →                →
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          M2                     M 1∗  M 2∗ 
          
          M1M4                                           M 3∗  M 4∗ 
           M 3′ 
            M 3∗ 
       M3
       
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