@article{SEDP_1972-1973____A17_0,
     author = {Goulaouic, C.},
     title = {Sur l{\textquoteright}op\'erateur $\Delta r^2 + \mu \frac{\partial }{\partial r}r + \lambda $},
     journal = {S\'eminaire Goulaouic-Schwartz},
     note = {talk:16},
     pages = {1--6},
     year = {1972-1973},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     zbl = {0261.35028},
     language = {fr},
     url = {https://www.numdam.org/item/SEDP_1972-1973____A17_0/}
}