@article{RSMUP_1971__45__337_0, author = {Ambrosetti, Antonio}, title = {Teoria di Lusternik-Schnirelman su variet\`a con bordo negli spazi di Hilbert}, journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova}, volume = {46}, year = {1971}, pages = {337-353}, mrnumber = {388446}, zbl = {0226.58003}, language = {it}, url = {http://dml.mathdoc.fr/item/RSMUP_1971__45__337_0} }
Ambrosetti, Antonio. Teoria di Lusternik-Schnirelman su varietà con bordo negli spazi di Hilbert. Rendiconti del Seminario Matematico della Università di Padova, Tome 46 (1971) pp. 337-353. http://gdmltest.u-ga.fr/item/RSMUP_1971__45__337_0/
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