@article{SIGMA_2018_14_a56,
     author = {Ian Kiming and Nadim Rustom},
     title = {Dihedral {Group,} $4${-Torsion} on an {Elliptic} {Curve,} and a {Peculiar} {Eigenform} {Modulo~}$4$},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2018},
     volume = {14},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2018_14_a56/}
}