 ,   (. 1923)
        , .           .    (1950 .).    , ,  .

  
       , ,     / .. . - -, 2007.

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    (1923-2002).    -,      (1949)   ,   ,   ,  ,        ,     (1990)    (1980),    ,  , ,   (1950) [141, .111,501].    (1946)          .        625 .  1950 .   ,                 .  1959 .     (  ,  ).  1977 . -      .   :   (1959 . - 1- ., 1964 . - 2- . [332]),  (1973) [333],    (1980) [334].