@incollection{JEDP_2009____A3_0,
     author = {Helffer, Bernard},
     title = {On spectral problems related to a time dependent model in superconductivity with electric current},
     booktitle = {},
     series = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     note = {talk:3},
     pages = {1--16},
     year = {2009},
     publisher = {Groupement de recherche 2434 du CNRS},
     doi = {10.5802/jedp.56},
     language = {en},
     url = {https://www.numdam.org/articles/10.5802/jedp.56/}
}