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@article{JRAM_1991__419_153340, author = {J\"urgen Berndt}, title = {Real hypersurfaces in quaternionic space forms.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {9--26}, publisher = {mathdoc}, volume = {419}, year = {1991}, zbl = {0718.53017}, url = {http://geodesic.mathdoc.fr/item/JRAM_1991__419_153340/} }
Jürgen Berndt. Real hypersurfaces in quaternionic space forms.. Journal für die reine und angewandte Mathematik, Tome 419 (1991), pp. 9-26. http://geodesic.mathdoc.fr/item/JRAM_1991__419_153340/