@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 \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"}, note = {talk:16}, pages = {1--6}, publisher = {Ecole Polytechnique, Centre de Math\'ematiques}, year = {1972-1973}, zbl = {0261.35028}, language = {fr}, url = {http://www.numdam.org/item/SEDP_1972-1973____A17_0/} }