@article{10_4153_S0008414X19000154,
     author = {Freitas, Pedro and Laugesen, Richard S.},
     title = {From {Steklov} to {Neumann} and {Beyond,} via {Robin:} {The} {Szeg\H{o}} {Way}},
     journal = {Canadian journal of mathematics},
     pages = {1024--1043},
     year = {2020},
     volume = {72},
     number = {4},
     doi = {10.4153/S0008414X19000154},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/S0008414X19000154/}
}