:

  •  
                                                          

    (Goldbach) (1690-1764)

    (Goldbach) (1690-1764)

    , (1725) (1742) . . , .

    (1860-84)
    ( ... . pyr - )
    (1880-1946)
    (Bissier) (1893-1965)
    ()
    :