### On cyclic and invariant subspaces of an operator $J\otimes B$ in the Sobolev spaces of vector functions

I. U. Domanov

Methods Funct. Anal. Topology 5 (1999), no. 1, 1-12

### Generalized eigenfunctions under singular perturbation

Methods Funct. Anal. Topology 5 (1999), no. 1, 13-28

### Analysis and geometry on ${\mathbb R}_{+}$-marked configuration space

Methods Funct. Anal. Topology 5 (1999), no. 1, 29-64

### Operator models associated with Kac subclasses of generalized Nevanlinna functions

Methods Funct. Anal. Topology 5 (1999), no. 1, 65-87

### About positivity of Fock inner product of a certain Wick algebras

D. P. Proskurin

Methods Funct. Anal. Topology 5 (1999), no. 1, 88-94

### Unbounded Idempotents

Stanislav Popovych

Methods Funct. Anal. Topology 5 (1999), no. 1, 95-103