Аналитическая геометрия и линейная алгебра. Умнов А.Е. - 97 стр.

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    ÒÓȈ ÒÓºÈ ¹ºÏmºã«Ëˆ ¹ºã‚҈  ­ºãËË                                       
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    Ë°}Ò² º­žË}ˆºm º­ãÈÈ Ò² ˆºËÓº®                                         
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    °Á˯ÒË°}º®ÒäË ˆ°ãË‚ Ò®mÒ                                                
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    º¯ÈÓÒËÓÒ«ä                                                                    
    
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