4  results:
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2

Integral geometry and inverse problems for hyperbolic equat.. 

Springer tracts in natural philosophy ; 26
Copies:  Zentrale:E02 a mat 374.9/16
 
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4

Integral operators in the theory of linear partial differen.. 

Ergebnisse der Mathematik und ihrer Grenzgebiete. [N. F.] ; Bd. 23
Bergman, Stefan - 2., rev. ed. . , 1969
Copies:  Zentrale:E02 a mat 463/938(2)
 
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