S. G. Samko
Equations with Involutive Operators
Hypersingular integrals and their applications
Factorization, singular operators and related problems
Fractional integrals and derivatives
Integraly i proizvodnye drobnogo pori︠a︡dka i nekotorye ikh prilozhenii︠a︡
Matematicheskii analiz i ego prilozheniia
Operator theory, operator algebras and applications