%0 Journal Article %A Miranda-Perea, Favio Ezequiel %T Two extensions of system ${\mathsf {F}}$ with (co)iteration and primitive (co)recursion principles %J RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications %D 2009 %P 703-766 %V 43 %N 4 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/ita/2009015/ %R 10.1051/ita/2009015 %G en %F ITA_2009__43_4_703_0