cd mppics/
mpost pic.mp
cd ..
pdflatex alexandrov-theorem-en.tex
biber alexandrov-theorem-en
pdflatex alexandrov-theorem-en.tex
pdflatex alexandrov-theorem-ru.tex
biber alexandrov-theorem-ru
pdflatex alexandrov-theorem-ru.tex
tar -cvf arXiv.tar --files-from arXiv.txt