@article{SIGMA_2007_3_a109,
     author = {Marcos Moshinsky and Emerson Sadurn{\'\i} and Adolfo del Campo},
     title = {Alternative {Method} for {Determining} the {Feynman} {Propagator} of {a~Non-Relativistic} {Quantum} {Mechanical} {Problem}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2007},
     volume = {3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2007_3_a109/}
}