(3GdThQi hCKQgG aj GdOjebQGWjI (B: s ((3OQGSI ebGQfI(B) / s - (3GdCfUGQj, YHO GdMejO ESeGYjds ((3HjQhJ (B: s (3efThQGJ GdecJHI GdYUQjI, s, 1900)
Keywords: (3GdOjebQGWjIs; (3GdThQis