Writing formulas in russian and ukrainian languages

[Alexander Dymo]

Can I write formulas in russian language within LyX?
When I type a russian letter, formula editor just do nothing.
OS: Linux (glibc 2.2, pgcc 2.95.2)
LyX: 1.1.6fix1
XFree: 4.0.3, localization thought xkb
all locale settings are correct.

Any help would be highly appreciated.
Alexander Dymo.