Voir la notice de l'article provenant de la source Theory and Applications of Categories website
@article{TAC_2003_11_a13, author = {Anders Kock and Gonzalo E. Reyes}, title = {Some calculus with extensive quantities: wave equation}, journal = {Theory and applications of categories}, pages = {321--336}, publisher = {mathdoc}, volume = {11}, year = {2003}, language = {en}, url = {http://geodesic.mathdoc.fr/item/TAC_2003_11_a13/} }
Anders Kock; Gonzalo E. Reyes. Some calculus with extensive quantities: wave equation. Theory and applications of categories, Tome 11 (2003), pp. 321-336. http://geodesic.mathdoc.fr/item/TAC_2003_11_a13/