Lecture notes on Elliptic Partial Differential Equations by André Guerra and Gerard Orriols
= Lecture notes on Elliptic Partial Differential Equations by André Guerra and Gerard Orriols
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{tag=Work by Gerard Orriols}
Primary source: https://www.dpmms.cam.ac.uk/~adblg2/EllipticPDELent2026.pdf
Cited passages: §4.4, Corollary 4.19; §4.5, Proposition 4.20 and equations (4.25)–(4.27).
Consulted edition/version: 27 March 2026.