Voir la notice de l'article provenant de la source Mathematicac Balkanica website
@article{MABA_1992_6_3_a10, author = {S. M. Markov}, title = {Extended {Interval} {Arithmetic} {Involving} {Infinite} {Intervals}}, journal = {Mathematica balkanica}, pages = {269}, publisher = {mathdoc}, volume = {6}, number = {3}, year = {1992}, url = {http://geodesic.mathdoc.fr/item/MABA_1992_6_3_a10/} }
S. M. Markov. Extended Interval Arithmetic Involving Infinite Intervals. Mathematica balkanica, Tome 6 (1992) no. 3, p. 269. http://geodesic.mathdoc.fr/item/MABA_1992_6_3_a10/