@article{weko_59600_1,
   author	 = "Hiromi,Shirakawa and Takashi,Yokomori",
   title	 = "Polynomial-time MAT Learning of C-Deterministic Context-free Grammars",
   journal	 = "Journal of Information Processing ",
   year 	 = "1993",
   volume	 = "15",
   number	 = "EX",
   pages	 = "42--52",
   month	 = "mar"
}