@article{CMUC_1979__20_1_a6,
     author = {Fortunato, Donato},
     title = {Remarks on the non self-adjoint {Schr\"odinger} operator},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {79--93},
     publisher = {mathdoc},
     volume = {20},
     number = {1},
     year = {1979},
     mrnumber = {526148},
     zbl = {0388.35018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1979__20_1_a6/}
}