User:Semyon

Everything you want to know about me can be found here: my homepage

I speak the following languages:

en	This user is a native speaker of English.

ru	Русский язык — родной для этого участника.

de	Dieser Benutzer spricht Deutsch als Muttersprache.

fr-1

Cet utilisateur peut contribuer avec un niveau élémentaire de français.

es-1

Este usuario puede contribuir con un nivel básico de español.

du-0

This person does not understand dumbass (or understands it with considerable difficulties, or does not want to speak dumbass).

[edit] Testing the wiki engine

$f=\dot p$