@article{10_4171_ifb_241,
     author = {{\L}ukasz Bolikowski and Maria Gokieli and Nicolas Varchon},
     title = {The {Neumann} problem in an irregular domain},
     journal = {Interfaces and free boundaries},
     pages = {443--462},
     year = {2010},
     volume = {12},
     number = {4},
     doi = {10.4171/ifb/241},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ifb/241/}
}