5 http://hdl.handle.net/10338.dmlcz/135732 5 Simplification of the generalized state equations http://hdl.handle.net/10338.dmlcz/135739 Simplification of the generalized state equations SPR0 substitutions and families of algebraic Riccati equations http://hdl.handle.net/10338.dmlcz/135738 SPR0 substitutions and families of algebraic Riccati equations Infinite queueing systems with tree structure http://hdl.handle.net/10338.dmlcz/135737 Infinite queueing systems with tree structure Laslett’s transform for the Boolean model in $\Bbb R^d$ http://hdl.handle.net/10338.dmlcz/135736 Laslett’s transform for the Boolean model in $\Bbb R^d$