@article{djentschura:cea-02895309, TITLE = {{Calculation of the characteristic functions of anharmonic oscillators}}, AUTHOR = {D. Jentschura, Ulrich and Zinn-Justin, Jean}, URL = {https://cea.hal.science/cea-02895309}, JOURNAL = {{Applied Numerical Mathematics}}, PUBLISHER = {{Elsevier}}, VOLUME = {60}, NUMBER = {12}, PAGES = {1332-1341}, YEAR = {2010}, MONTH = Dec, DOI = {10.1016/j.apnum.2010.03.015}, KEYWORDS = {Turning point theory ; Singular perturbations ; General quantum mechanics and problems of quantization ; Semiclassical techniques including WKB and Maslov methods ; WKB methods ; turning point theory}, PDF = {https://cea.hal.science/cea-02895309/file/JJenbb.pdf}, HAL_ID = {cea-02895309}, HAL_VERSION = {v1}, }