@misc{indiciae272c194308e9, title = {Semiclassical Quantization of Nonseparable Systems Without Periodic Orbits.}, author = {FJ Weiper and J Ankerhold and H Grabert and E Pollak}, year = {1996}, doi = {10.1103/physrevlett.77.2662}, url = {https://pubmed.ncbi.nlm.nih.gov/10062014/}, note = {Source identifier: 10062014} }