Аналитическая геометрия и линейная алгебра. Умнов А.Е. - 48 стр.

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                                                                                                                1   2       3


                                        ξ1 ξ2 ξ3                                                                                
                                                   → → →
                                  = det η1 η2 η3 ( g1 , g2 , g3 )            ,
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                                   mˆÈ}ºä­ÈÏÒ°Ë ( a , b, c ) = det η1 η2 η3                         .
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                          °iã«mmËËÓÓ©²m¹mË}ˆº¯ºm f 1 , f 2 , f 3 °¹¯ÈmËãÒmÈ
                          

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