@article{GDZPPN002035324, title = {A consistency equation for three geometries.}, journal = {Aequationes mathematicae}, volume = {28}, year = {1985}, pages = {50-55}, zbl = {0577.51016}, url = {http://dml.mathdoc.fr/item/GDZPPN002035324} }
Ger, Roman. A consistency equation for three geometries.. Aequationes mathematicae, Tome 28 (1985) pp. 50-55. http://gdmltest.u-ga.fr/item/GDZPPN002035324/