%0 Journal Article %A N. Aliev %A Sh. Rezapour %A M. Jahanshahi %T On Fefferman’s Non-existence Problems %J Mathematica Moravica %D 2007 %P 1 - 7 %V 11 %N 1 %I mathdoc %U https://geodesic-test.mathdoc.fr/item/MM3_2007_11_1_a0/ %F MM3_2007_11_1_a0