@misc{indiciae60dcbdcfb9c8,
  title = {Shape-invariant wave packets for three-dimensional harmonic oscillators.},
  author = {F Arickx and J Broeckhove and Van Leuven P},
  year = {1991},
  doi = {10.1103/physreva.43.1211},
  url = {https://pubmed.ncbi.nlm.nih.gov/9905146/},
  note = {Source identifier: 9905146}
}