Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MZ_1975__145_172283, author = {Norman L. Johnson}, title = {Regularly {Derived} {Planes.}}, journal = {Mathematische Zeitschrift}, pages = {201--210}, publisher = {mathdoc}, volume = {145}, year = {1975}, zbl = {0322.50011}, url = {http://geodesic.mathdoc.fr/item/MZ_1975__145_172283/} }
Norman L. Johnson. Regularly Derived Planes.. Mathematische Zeitschrift, Tome 145 (1975), pp. 201-210. http://geodesic.mathdoc.fr/item/MZ_1975__145_172283/