On the stability of nonlocal boundary value problem for a third order PDE differential equations in a Hilbert space with a
self-adjoint positive definite operator. The main theorem
An Operator Method for a Third Order Partial Differential Equation equation with a
self-adjoint positive definite operator in a Hilbert space is investigated. The main
A non-commutative version of Nikishin's theorem algebra, L1(τ) be the space of integrable
self-adjoint operators, and S be the space of
self-adjoint