Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{ELMA_1972__27_141039, author = {B\'ela Bollob\'as}, title = {Functionals {Close} to {Each} {Other.}}, journal = {Elemente der Mathematik}, pages = {9--10}, publisher = {mathdoc}, volume = {27}, year = {1972}, zbl = {0227.46025}, url = {http://geodesic.mathdoc.fr/item/ELMA_1972__27_141039/} }
Béla Bollobás. Functionals Close to Each Other.. Elemente der Mathematik, Tome 27 (1972), pp. 9-10. http://geodesic.mathdoc.fr/item/ELMA_1972__27_141039/