@article{SIGMA_2011_7_a24,
     author = {David Berm\'udez and David J. Fern\'andez C.},
     title = {Supersymmetric {Quantum} {Mechanics} and {Painlev\'e} {IV} {Equation}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2011},
     volume = {7},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2011_7_a24/}
}