@incollection{MSMF_1991_2_46__19_0,
     author = {B\'erard, Pierre},
     title = {Quelques th\'eor\`emes d'annulation et de majoration d'invariants g\'eom\'etriques},
     booktitle = {Analyse globale et physique math\'ematique (Colloque \`a la m\'emoire d'Edmond Combet)},
     series = {M\'emoires de la Soci\'et\'e Math\'ematique de France},
     pages = {19--26},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {46},
     year = {1991},
     doi = {10.24033/msmf.353},
     mrnumber = {92h:58201},
     zbl = {0751.58038},
     url = {http://archive.numdam.org/articles/10.24033/msmf.353/}
}