@article{SEDP_1991-1992____A16_0,
     author = {Egorov, Yuri V.},
     title = {Sur des estimations des valeurs propres d'op\'erateurs elliptiques},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"},
     note = {talk:16},
     pages = {1--11},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     year = {1991-1992},
     language = {fr},
     url = {http://www.numdam.org/item/SEDP_1991-1992____A16_0/}
}