@article{AA_2013_25_2_a5,
     author = {F. H\'erau and M. Hitrik and J. Sj\"ostrand},
     title = {Supersymmetric structures for second order differential operators},
     journal = {Algebra i analiz},
     pages = {125--154},
     publisher = {mathdoc},
     volume = {25},
     number = {2},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AA_2013_25_2_a5/}
}