(3bGfhf GdLeGQc (B/s - (3GdLRGFQ(B.s ((3GdLRGFQ (B:s (3hRGQI GdYOd, eOjQjI GdhKGFb,s, 1900)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
(3GdfU HGddZJjf GdYQHjI hGdaQfSjI(B.s
Keywords: (3GdLeGQcs -- (3bhGfjf hJTQjYGJs -- (3GdLRGFQs