%0 Journal Article %A Pierre, Laurent %A Farinone, Jean-Marc %T Context-free languages with rational index in $\Theta (n^\gamma )$ for algebraic numbers $\gamma $ %J RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications %D 1990 %P 275-322 %V 24 %N 3 %I EDP-Sciences %U http://www.numdam.org/item/ITA_1990__24_3_275_0/ %G en %F ITA_1990__24_3_275_0