Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{SF_1978__16_134296, author = {M.L. Howard}, title = {Roots of doubly-infinite increasing sequences.}, journal = {Semigroup forum}, pages = {385--386}, publisher = {mathdoc}, volume = {16}, year = {1978}, zbl = {0393.20053}, url = {http://geodesic.mathdoc.fr/item/SF_1978__16_134296/} }
M.L. Howard. Roots of doubly-infinite increasing sequences.. Semigroup forum, Tome 16 (1978), pp. 385-386. http://geodesic.mathdoc.fr/item/SF_1978__16_134296/