. (3BQGA Mhd GdHMhK GdJQHhjIs - . (3LGeYI GdOhd GdYQHjI, GdefXeI GdYQHjI ddJQHjI hGdKbGaI hGdYdhe(B: (3GOGQI GdJQHjIs ((3GdbGgQIs (3GOGQI GdJQHjIs, 1979)
Keywords: (3GdJYdjes -- (3GdHMhKs; (3GdJQHjI, Ydes -- (3GdHMhKs