Author:
Aisagaliev Serikbai A.,Ayazbayeva Assem M.
Reference10 articles.
1. ON SOME DIFFERENTIAL-OPERATOR EQUATIONS OF ARBITRARY ORDER
2. V. K. Romanko, Differential Equations 14, 1081–1092 (1978).
3. N. I. Yurchuk, Differential Equations 10, 950–952 (1974).
4. S. P. Pyatkov, Correct boundary value problems for a composite type equations and their generalizations: abstract k.f.m.n.: dissertations, Novosibirsk (1982).
5. Determination of the structure of the spectrum of regular boundary value problems for differential equations by V.A. Il’in’s method of anti-a priori estimates