@article{GDZPPN002357011, title = {Some infinte families of U-hypersurfaces.}, journal = {Mathematica Scandinavica}, volume = {50}, year = {1982}, pages = {149-166}, zbl = {0513.57017}, url = {http://dml.mathdoc.fr/item/GDZPPN002357011} }
Baker, Andrew; Ray, Nigel. Some infinte families of U-hypersurfaces.. Mathematica Scandinavica, Tome 50 (1982) pp. 149-166. http://gdmltest.u-ga.fr/item/GDZPPN002357011/