共 24 条
- [1] Bitsadze A.V.(1969)On some simplest generalizations of linear elliptic problems Dokl. Akad. Nauk SSSR 185 739-740
- [2] Samarskii A.A.(1974)Boundary value problems for one class of differential operators Differ. Uravn. 10 117-131
- [3] Romanko V.K.(1977)Unique solvability of boundary value problems for some differential-operator equations Differ. Uravn. 13 324-335
- [4] Romanko V.K.(1984)On the theory of nonlocal boundary value problems Dokl. Akad. Nauk SSSR 277 17-19
- [5] Bitsadze A.V.(1990)Two-dimensional nonlocal boundary value problem for the Poisson operator in differential and difference interpretations Mat. Model. 2 139-156
- [6] Il’in V.A.(1990)On the basis property of eigenfunctions of a nonlocal boundary value problem Dokl. Akad. Nauk SSSR 313 556-589
- [7] Moiseev E.I.(1992)Bitsadze–Samarskii boundary value problems for elliptic systems in the sense of Douglis and Nirenberg Differ. Equations 28 79-88
- [8] Moiseev E.I.(1993)Conditions for the Fredholm property of a class of nonlocal problems for a second-order elliptic equation Dokl. Akad. Nauk SSSR 333 290-292
- [9] Zhura N.A.(1995)On solvability of nonlocal problems for a second-order elliptic equation Sb. Math. 81 101-136
- [10] Gushchin A.K.(2002)A condition for the compactness of operators in a certain class and its application to the analysis of the solubility of non-local problems for elliptic equations Sb. Math. 193 649-668