@article{01054255, title = {On normally flat Einstein submanifolds.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {20}, year = {1997}, pages = {497-501}, doi = {10.1155/S0161171297000677}, zbl = {0882.53018}, language = {en}, url = {http://dml.mathdoc.fr/item/01054255} }
Verstraelen, Leopold; Zafindratafa, Georges. On normally flat Einstein submanifolds.. International Journal of Mathematics and Mathematical Sciences, Tome 20 (1997) pp. 497-501. doi : 10.1155/S0161171297000677. http://gdmltest.u-ga.fr/item/01054255/