@article{GDZPPN002534754,
title = {Rotation-free solutions with positive infimum of the equation ...u = Pu in a neighbourhood of a singularity of the density P.},
journal = {Publications de l'Institut Math\'ematique [Elektronische Ressource]},
volume = {28},
year = {1972},
pages = {117-120},
zbl = {0242.31002},
language = {en},
url = {http://dml.mathdoc.fr/item/GDZPPN002534754}
}
Schiff, J.L. Rotation-free solutions with positive infimum of the equation ...u = Pu in a neighbourhood of a singularity of the density P.. Publications de l'Institut Mathématique [Elektronische Ressource], Tome 28 (1972) pp. 117-120. http://gdmltest.u-ga.fr/item/GDZPPN002534754/