Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{JRAM_1971__246_151075, author = {Klaus W. Roggenkamp}, title = {Projective homomorphisms and extensions of lattices.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {41--45}, publisher = {mathdoc}, volume = {246}, year = {1971}, zbl = {0208.04204}, url = {http://geodesic.mathdoc.fr/item/JRAM_1971__246_151075/} }
Klaus W. Roggenkamp. Projective homomorphisms and extensions of lattices.. Journal für die reine und angewandte Mathematik, Tome 246 (1971), pp. 41-45. http://geodesic.mathdoc.fr/item/JRAM_1971__246_151075/