Weyl’s Classification of Singular Impulsive q-Sturm-Liouville Equations
Bilender P. Allahverdiev, Hüseyin Tuna, Hamlet A. Isayev
The Resolvent of Impulsive Singular Hahn–Sturm–Liouville Operators
Bilender P. Allahverdiev, Hüseyin Tuna, Hamlet A. Isayev