@article{10_4153_CJM_2011_031_8,
     author = {Autin, Aymeric},
     title = {Isoresonant {Complex-valued} {Potentials} and {Symmetries}},
     journal = {Canadian journal of mathematics},
     pages = {721--754},
     year = {2011},
     volume = {63},
     number = {4},
     doi = {10.4153/CJM-2011-031-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2011-031-8/}
}