. (3GdeYGjjQ GdehMOI deQGcR GdeYdheGJ YGeI hGdJhKjb NGUI heG jQJHW HgG ef GdeDSSGJ hGdhXGFas - . (3GdgLQSj, SYO eMeOs ((3GdbGgQIs (3GdefXeI GdYQHjI ddJQHjI hGdKbGaI hGdYdhes, 1977)
Keywords: (3eQGcR GdeYdheGJs; (3GdJhKjbs