Clinical Radiology · 1995 · 52 citations · 14 references
Natural SciencesMathematicsDifferential EquationsFluid DynamicsTopologyBoundary ConditionsBoundary-value ProblemsDifferential GeometryOperator TheoryPartial Differential EquationsElliptic FunctionsFredholm OperatorsFredholm TheoryMeromorphic FunctionsOperatorsPseudodifferential OperatorsSingularitiesSobolev Spaces
A case of infiltrative fibromatosis in a 25-year-old man is described. This is a rare, recurring tumour most commonly seen in the shoulder and pelvic girdles, whose behaviour seems to justify the opinion that it is a non-metastasizing, low-grade fibrosarcoma.
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M. S. Ramanujan, Helmut Schaefer · American Mathematical Monthly · 1967 · 4K citations
Boundary problems for pseudo-differential operators
L. Boutet de Monvel · Acta Mathematica · 1971 · 546 citations · Full text