boltzmann carrier equation

[vead]

I am little bit confused about derivation for boltzmann equation for electron
boltazmann relationship describe transport of free carrier in semiconductor
look this links http://relativity.livingreviews.org/...ticlesu25.html
http://relativity.livingreviews.org/...ticlesu25.html
http://en.wikipedia.org/wiki/Boltzmann_equation

I don't understand which is final boltazman equation