@article{JOLT_2008_18_3_a0,
     author = {F. Levstein and L. Saal},
     title = {Generalized {Gelfand} {Pairs} {Associated} to {Heisenberg} {Type} {Groups}},
     journal = {Journal of Lie Theory},
     pages = {503--515},
     year = {2008},
     volume = {18},
     number = {3},
     zbl = {1205.43007},
     url = {http://geodesic.mathdoc.fr/item/JOLT_2008_18_3_a0/}
}