@article{SEDP_1986-1987____A21_0,
     author = {Grigis, A.},
     title = {Coefficients de r\'eflexion pour les potentiels de {Hardy}},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"},
     note = {talk:22},
     pages = {1--10},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     year = {1986-1987},
     mrnumber = {920040},
     zbl = {0653.34019},
     language = {fr},
     url = {http://www.numdam.org/item/SEDP_1986-1987____A21_0/}
}