Bibliography entry [0130]

D.Gilbarg, N.S.Trudinger, Elliptic partial differential equations of second two, Springer 1983.

Shared chapter 102: Elliptic partial differential equations of second order

Original bibliography occurrence · Collected references

Same Gilbarg-Trudinger authors, Springer and 1983 date as ref-078:GTr. Source title says second two; use existing GTr title for chapter metadata while preserving the defective original occurrence. Exact edition alignment unresolved.

Exact source provenance retained in the project evidence.