This is pdfTeX, Version 3.1415926-1.40.10 (TeX Live 2009/Debian) (format=pdflatex 2011.10.24)  5 NOV 2011 17:02
entering extended mode
 %&-line parsing enabled.
**LQ_rizeni.tex
(./LQ_rizeni.tex
LaTeX2e <2009/09/24>
Babel <v3.8l> and hyphenation patterns for english, usenglishmax, dumylang, noh
yphenation, loaded.
! Undefined control sequence.
l.1 \section
            {LQ řízení}
? 
! Emergency stop.
l.1 \section
            {LQ řízení}
End of file on the terminal!

 
Here is how much of TeX's memory you used:
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 141 string characters out of 1182620
 45108 words of memory out of 3000000
 3282 multiletter control sequences out of 15000+50000
 3640 words of font info for 14 fonts, out of 3000000 for 9000
 28 hyphenation exceptions out of 8191
 5i,0n,1p,38b,8s stack positions out of 5000i,500n,10000p,200000b,50000s
!  ==> Fatal error occurred, no output PDF file produced!