Aleksandr Portnov, Maria Filatova, Aleksandr Romankov
Unknown author<span style="display: none;">Unknown author</span>
<a rel="nofollow" class="external text" href="http://www.bibliotecadeva.eu/periodice/sportul/1981/07/sportul_1981_07_9835.pdf">Ziarul "Sportul" (18 iulie 1981)</a>