@article{SIGMA_2018_14_a107,
     author = {Martin Raum},
     title = {Hyper-Algebras of {Vector-Valued} {Modular} {Forms}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2018},
     volume = {14},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2018_14_a107/}
}