$1'Xl!X7!6<':`!5E!UN'\O'[M(B. $1!Tk!R;!\k!3Ss - $1'8M'Pp!0cs ($1!4I!0a (B: s $1!Ky!GDi!&'YJ'CUi!&!Be!N#!0$'Rw'CU!<p(B,s, 1988)
Keywords: Language and languages -- Philosophy; Philosophy