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Mathematische Annalen

, Volume 217, Issue 2, pp 165–188 | Cite as

A class of hypoelliptic pseudodifferential operators with double characteristics

  • Lars Hörmander
Article

Keywords

Pseudodifferential Operator Double Characteristic 
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References

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Copyright information

© Springer-Verlag 1975

Authors and Affiliations

  • Lars Hörmander
    • 1
  1. 1.Department of MathematicsUniversity of LundLundSweden

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