@incollection{JEDP_1986____A9_0, author = {Grubb, Gerd}, title = {Singular perturbations and parameter-dependent pseudo-differential boundary problems}, booktitle = {}, series = {Journ\'ees \'equations aux d\'eriv\'ees partielles}, eid = {9}, pages = {1--7}, publisher = {Ecole polytechnique}, year = {1986}, mrnumber = {874551}, zbl = {0607.35012}, language = {en}, url = {http://archive.numdam.org/item/JEDP_1986____A9_0/} }