@article{AFST_1985_5_7_3-4_229_0,
     author = {Deprez, J. and Dillen, F. and Verheyen, P. and Verstraelen, L.},
     title = {Conditions on the projective curvature tensor of hypersurfaces in euclidian space},
     journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques},
     pages = {229--249},
     publisher = {Universit\'e Paul Sabatier},
     address = {Toulouse},
     volume = {Ser. 5, 7},
     number = {3-4},
     year = {1985},
     mrnumber = {877168},
     zbl = {0583.53001},
     language = {en},
     url = {http://www.numdam.org/item/AFST_1985_5_7_3-4_229_0/}
}