@article{SEDP_1991-1992____A15_0,
     author = {Ivrii, Victor},
     title = {Conjoint spectral asymptotics for the families of commuting operators and for operators with the periodic hamiltonian flow},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"},
     note = {talk:15},
     pages = {1--11},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     year = {1991-1992},
     mrnumber = {1226494},
     zbl = {0781.35044},
     language = {en},
     url = {http://www.numdam.org/item/SEDP_1991-1992____A15_0/}
}