@article{SIGMA_2011_7_a43,
     author = {Nicol\'as Fern\'andez-Garc{\'\i}a and Oscar Rosas-Ortiz},
     title = {Rectangular {Potentials} in a {Semi-Harmonic} {Background:} {Spectrum,} {Resonances} and {Dwell} {Time}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2011},
     volume = {7},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2011_7_a43/}
}