[GFK_of_xmaspast]

> at least the Cyrillic ... ones have fairly low transliteration ambiguity.

Tell it to Chebyshev, Chebychev, Chebysheff, Chebyshov, Tchebychev, Tchebycheff, Tschebyschev, Tschebyschef, and Tschebyscheff.

[schoen]

Touché!

Or maybe that should be "tousché"!