@article{01066102, title = {Weak convergence planes. (Schwache Kongruenzebenen.)}, journal = {Beitr\"age zur Algebra und Geometrie}, volume = {38}, year = {1997}, pages = {315-323}, zbl = {0892.51011}, language = {en}, url = {http://dml.mathdoc.fr/item/01066102} }
Quaisser, Erhard. Weak convergence planes. (Schwache Kongruenzebenen.). Beiträge zur Algebra und Geometrie, Tome 38 (1997) pp. 315-323. http://gdmltest.u-ga.fr/item/01066102/