Acta Mathematica

, Volume 119, Issue 1, pp 147–171 | Cite as

Hypoelliptic second order differential equations

  • Lars Hörmander
Article

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Copyright information

© Almqvist & Wiksells Boktryckeri AB 1967

Authors and Affiliations

  • Lars Hörmander
    • 1
  1. 1.The Institute for Advanced StudyPrincetonUSA

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