@article{MM3_2007_11_1_a0, author = {N. Aliev and Sh. Rezapour and M. Jahanshahi}, title = {On {Fefferman{\textquoteright}s} {Non-existence} {Problems}}, journal = {Mathematica Moravica}, pages = {1 - 7}, publisher = {mathdoc}, volume = {11}, number = {1}, year = {2007}, url = {https://geodesic-test.mathdoc.fr/item/MM3_2007_11_1_a0/} }