@incollection{JEDP_1994____A16_0, author = {Rozenblum, Grigori V.}, title = {Index formulas for pseudodifferential operators with discontinuous symbols}, booktitle = {}, series = {Journ\'ees \'equations aux d\'eriv\'ees partielles}, eid = {16}, pages = {1--10}, publisher = {Ecole polytechnique}, year = {1994}, mrnumber = {95i:58169}, zbl = {0878.35126}, language = {en}, url = {http://archive.numdam.org/item/JEDP_1994____A16_0/} }