@article{10_4064_aa_51_3_247_268,
     author = {Frieder Grupp},
     title = {On zeros of functions satisfying certain differential-difference equations},
     journal = {Acta Arithmetica},
     pages = {247--268},
     publisher = {mathdoc},
     volume = {51},
     number = {3},
     year = {1988},
     doi = {10.4064/aa-51-3-247-268},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-51-3-247-268/}
}