@article{SEDP_1980-1981____A18_0,
     author = {Giaquinta, M. and Hildebrandt, S.},
     title = {Estimation \`a priori des solutions faibles de certains syst\`emes non lin\'eaires elliptiques},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"},
     note = {talk:17},
     pages = {1--19},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     year = {1980-1981},
     mrnumber = {657986},
     zbl = {0486.35030},
     language = {fr},
     url = {http://www.numdam.org/item/SEDP_1980-1981____A18_0/}
}