@article{SIGMA_2007_3_a66,
     author = {Christiane Quesne},
     title = {Quadratic {Algebra} {Approach} to an {Exactly} {Solvable} {Position-Dependent} {Mass} {Schr\"odinger} {Equation} in {Two} {Dimensions}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2007},
     volume = {3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2007_3_a66/}
}