ArticleTHE TRACE OF ORDINARY DIFFERENTIAL OPERATORS OF HIGH ORDERV A Sadovničiĭ·1967·enABIABI:AkademIndex/openalex/2026.other.574167CiteAbstractNo abstract available.IdentifiersDOI10.1070/sm1967v001n02abeh001979Citations and referencesCited by 20 referencesMetrics — AkademScholar