(3JLGQH hGJLGgGJ GdOhd GdYQHjI aj GONGd GdYed GdjOhj hGdJQHjI GdJcfhdhLjI aj eQMdI GdJYdje GdGSGSj s - (3aVjd , YHOGdbGOQ(B, s; (3aVjd , YHOGdbGOQs ((3GdefXeI GdYQHjI GdGSdGejI ddJQHjI hGdYdhe hGdKbGaI (B- (3GjSjSchs, 1993)
2