@inproceedings{ RICO_RUIZ:351-362,

author = { LUIS RICO ROMERO and FRANCISCO RUIZ LÓPEZ } ,

title = { VISUALIZATION OF ADDITIVE OPERATORS BGY MEANS OF GEOMETRIC REPRESENTATIONS },

booktitle = { INTERNATIONAL PERSPECTIVES ON LEARNING AND TEACHING MATHEMATICS () (.2003.GOTEBORG) },

year = { 2003 },

pages = { 351 - 362 },

location = { GOTEBORG },

}