@article{SIGMA_2019_15_a59,
     author = {Jo\~ao C. A. Barata and Marcos Brum},
     title = {Wavepackets on de {Sitter} {Spacetime}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2019},
     volume = {15},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2019_15_a59/}
}