@article{CRMATH_2018__356_9_927_0,
     author = {Nazarov, Sergei A. and Popoff, Nicolas},
     title = {Self-adjoint and skew-symmetric extensions of the {Laplacian} with singular {Robin} boundary condition},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {927--932},
     publisher = {Elsevier},
     volume = {356},
     number = {9},
     year = {2018},
     doi = {10.1016/j.crma.2018.07.001},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2018.07.001/}
}