@article{SIGMA_2016_12_a45,
     author = {Hans Volkmer},
     title = {The {Asymptotic} {Expansion} of {Kummer} {Functions} for {Large} {Values} of the $a${-Parameter,} and {Remarks} on a {Paper} by {Olver}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2016},
     volume = {12},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2016_12_a45/}
}