%0 Journal Article %A J. L. Schiff %T Rotation-Free Solutions With Positive Infimum Of The Equation Δu = Pu In A Neighbourhood Of A Singularity Of The Density P %J Publications de l'Institut Mathématique %D 1972 %P 117 %V _N_S_13 %N 27 %I mathdoc %U http://geodesic.mathdoc.fr/item/PIM_1972_N_S_13_27_a16/ %F PIM_1972_N_S_13_27_a16