@misc{indiciae9cd7bea028a9,
  title = {Sextic-oscillator puzzle and its solution.},
  author = {M Znojil},
  year = {1986},
  doi = {10.1103/physrevd.34.1224},
  url = {https://pubmed.ncbi.nlm.nih.gov/9957277/},
  note = {Source identifier: 9957277}
}