### On Ornshtein-Uhlenbeck's measure of a Hilbert ball in the space of continuous functions

**M. M. Osypchuk, M. I. Portenko**

*Theory of Stochastic Processes*

*Vol.19 (35), no.1, 2014, pp.46-51*

An explicit formula for the characteristic function of the $L_2$-norm of a path of the Ornshtein-Uhlenbeck process is established and some application of the result is given.