ArticleA Collection of Problems on Mathematical Physics.Fritz Steinhardt·Б.М. Будак·A. A. Samarskiĭ·А. Н. Тихонов·1968·enABIABI:AkademIndex/openalex/2026.other.406919CiteAbstractNo abstract available.IdentifiersDOI10.2307/2315168Citations and referencesCited by 30 referencesMetrics — AkademScholar