@article{AIHPC_2017__34_4_991_0,
     author = {Helsing, Johan and Kang, Hyeonbae and Lim, Mikyoung},
     title = {Classification of spectra of the {Neumann{\textendash}Poincar\'e} operator on planar domains with corners by resonance},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {991--1011},
     publisher = {Elsevier},
     volume = {34},
     number = {4},
     year = {2017},
     doi = {10.1016/j.anihpc.2016.07.004},
     mrnumber = {3661868},
     zbl = {1435.35266},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1016/j.anihpc.2016.07.004/}
}