(3GdecJHI hGdcJGH aj NOeI GdWad (B/s - (3GdSjO, CMeO GdHOhj CHh RjOs ((3GdbGgQI (B:s (3CMeO GdHOhj CHh RjO GdSjO,s, 1997)
(3HHdjhLQGajI (B: (3U(B. 145-147.s
Keywords: (3ecJHGJ GdCWaGd(B.s; (3GdCWaGds -- (3cJH hbQGAI(B.s