Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MS2_1983__52_166844, author = {Alexander Kumjian}, title = {Preliminary algebras arising from local homeomorphisms.}, journal = {Mathematica Scandinavica}, pages = {269--278}, publisher = {mathdoc}, volume = {52}, year = {1983}, zbl = {0541.46047}, url = {http://geodesic.mathdoc.fr/item/MS2_1983__52_166844/} }
Alexander Kumjian. Preliminary algebras arising from local homeomorphisms.. Mathematica Scandinavica, Tome 52 (1983), pp. 269-278. http://geodesic.mathdoc.fr/item/MS2_1983__52_166844/