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@article{MZ_1982__179_173136, author = {Hermann Sohr}, title = {St\"orungstheoretische {Regularit\"atsuntersuchungen.}}, journal = {Mathematische Zeitschrift}, pages = {179--192}, publisher = {mathdoc}, volume = {179}, year = {1982}, language = {de}, url = {http://geodesic.mathdoc.fr/item/MZ_1982__179_173136/} }
Hermann Sohr. Störungstheoretische Regularitätsuntersuchungen.. Mathematische Zeitschrift, Tome 179 (1982), pp. 179-192. http://geodesic.mathdoc.fr/item/MZ_1982__179_173136/