@article{JOLT_2006_16_2_a8,
     author = {V. Fischer},
     title = {The {Bounded} {Spherical} {Functions} on the {Free} {Two-Step} {Nilpotent} {Lie} {Group}},
     journal = {Journal of Lie Theory},
     pages = {351--370},
     year = {2006},
     volume = {16},
     number = {2},
     doi = {10.5802/jolt.414},
     zbl = {1101.22005},
     url = {https://jolt.centre-mersenne.org/articles/10.5802/jolt.414/}
}