Coercive solvability of a boundary-value problem for a second-order elliptic equation in Banach space. I. (Russian) Zbl 0229.35026
MSC:
35J25 | Boundary value problems for second-order elliptic equations |
47F05 | General theory of partial differential operators |
35R20 | Operator partial differential equations (= PDEs on finite-dimensional spaces for abstract space valued functions) |