Аналитическая геометрия и линейная алгебра. Умнов А.Е. - 315 стр.

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                         +           =1                                                                                                        
             (a 2 z0 ) 2 (b 2 z0 ) 2                                                                                                         
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        ÓÒË ¹ãº°}º°ˆ  y = y 0  ¹¯Òmº҈ }                                                                                                  
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                      2              y2                                                                                                        
                      x = 2a 2 ( z − 0 )                                                                                                       
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        «mã« Ë®°«¹È¯È­ºãº®iã«°ã‚È«                                                                                                       
                                                                                                                                           
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