%0 Journal Article %A Domínguez, César %A Lambán, Laureano %A Rubio, Julio %T Object oriented institutions to specify symbolic computation systems %J RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications %D 2007 %P 191-214 %V 41 %N 2 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/ita:2007015/ %R 10.1051/ita:2007015 %G en %F ITA_2007__41_2_191_0