Olga Polyakova

Olga Polyakova has contributed:
To the English version of the encyclopaedia (1 article)
To the Spanish version of the encyclopaedia (1 article)
To the French version of the encyclopaedia (1 article)

English version

Boris Tuzlukov (Written by)

French version

Boris Touzloukov (Written by)

Spanish version

Boris Dmitrievitch Touzloukov (Written by)