On the theory of general partial differential operators

@article{Hrmander1955OnTT,
  title={On the theory of general partial differential operators},
  author={Lars H{\"o}rmander},
  journal={Acta Mathematica},
  year={1955},
  volume={94},
  pages={161-248}
}
  • L. Hörmander
  • Published 1 December 1955
  • Mathematics
  • Acta Mathematica
I I . Min ima l d i f fe ren t i a l ope ra to r s w i t h c o n s t a n t coeff ic ients . I n t r o d u c t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174 N o t a t i o n s a n d f o r m a l p r o p e r t i e s of d i f fe ren t ia l ope ra to r s w i t h c o n s t a n t coeff ic ients . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176 E s t i m a t e s b y Lap lace t r a n s f o r m s . . . . . . . . . . . . . . . . . . . . . . 177 T h e d i f fe… 
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