@book
{TN_libero_mab2,
author = {
Protopopov, Vladimir V.
AND
Tumanina, Nadežda V.
},
title = {
Opernoe tvorčestvo Čajkovskogo
},
publisher = {Izdat. AN SSSR},
year = {1957},
abstract = {In kyrill. Schrift, russ},
address = {
Moskva
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}