@article{10_4064_aa_64_2_151_174,
     author = {Eduard Wirsing},
     title = {Functions without residue and a bilinear differential equation},
     journal = {Acta Arithmetica},
     pages = {151--174},
     publisher = {mathdoc},
     volume = {64},
     number = {2},
     year = {1993},
     doi = {10.4064/aa-64-2-151-174},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-64-2-151-174/}
}