Voir la notice de l'article provenant de la source Proyecto DML-E: Biblioteca Digital de Matemáticas
@article{GAMA_1974_1974_1_a10, author = {Ernesto, C. and Lindgren, S.}, title = {Homological transformations in four-dimensional space.}, journal = {Gaceta matem\'atica}, pages = {77-91}, publisher = {mathdoc}, volume = {26}, number = {3-4}, year = {1974}, language = {en}, url = {http://geodesic.mathdoc.fr/item/GAMA_1974_1974_1_a10/} }
Ernesto, C.; Lindgren, S. Homological transformations in four-dimensional space.. Gaceta matemática, Tome 26 (1974) no. 3-4. http://geodesic.mathdoc.fr/item/GAMA_1974_1974_1_a10/