Some Remarks on Continuous Orthogonal Expansions, and Eigenfunction Expansions for Positive Self-Adjoint Elliptic Operators with Variable Coefficients.
Peetre, Jaake
Mathematica Scandinavica, Tome 16 (1965), p. 56-64 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1965-01-01
EUDML-ID : urn:eudml:doc:165924 
@article{GDZPPN002348152,
     title = {Some Remarks on Continuous Orthogonal Expansions, and Eigenfunction Expansions for Positive Self-Adjoint Elliptic Operators with Variable Coefficients.},
     journal = {Mathematica Scandinavica},
     volume = {16},
     year = {1965},
     pages = {56-64},
     zbl = {0148.13002},
     url = {http://dml.mathdoc.fr/item/GDZPPN002348152}
}

Peetre, Jaake. Some Remarks on Continuous Orthogonal Expansions, and Eigenfunction Expansions for Positive Self-Adjoint Elliptic Operators with Variable Coefficients.. Mathematica Scandinavica, Tome 16 (1965) pp. 56-64. http://gdmltest.u-ga.fr/item/GDZPPN002348152/