(3GdWH hGdHjhdhLjG ddedGjjf(B: (3CeQGV Gdcdi hWQb GdhbGjI efgGs - (3f(B. (3C(B. (3QGJfjQs; (3c(B. (3O(B. (3BQSdGfjGf (B((3JQLeI(B)s (Russia (3OGQ ejQ ddWHGYI hGdfTQs, 1968)
Keywords: Applied Sciences (3GdYdhe GdJWHjbjIs; General