@article{TSG_2014-2015__32__1_0,
     author = {Pierre B\'erard and Bernard Helffer},
     title = {Nodal sets of eigenfunctions, {Antonie} {Stern{\textquoteright}s} results revisited},
     journal = {S\'eminaire de th\'eorie spectrale et g\'eom\'etrie},
     pages = {1--37},
     publisher = {Institut Fourier},
     address = {Grenoble},
     volume = {32},
     year = {2014-2015},
     doi = {10.5802/tsg.302},
     language = {en},
     url = {https://proceedings.centre-mersenne.org/articles/10.5802/tsg.302/}
}