UNOVIS
...that the Russian avant-garde art collective UNOVIS signed most of their works with a single black square, partly as a homage to a similar work by their leader, Kazimir Malevich?
...that the <a href="./Russians" id="mwA-k" rel="mw:WikiLink" title="Russians">Russian</a> <a href="./Avant-garde" id="mwA-o" rel="mw:WikiLink" title="Avant-garde">avant-garde</a> <a href="./Art" id="mwA-s" rel="mw:WikiLink" title="Art">art</a> collective <b id="mwA-w"><a href="./UNOVIS" id="mwA-0" rel="mw:WikiLink" title="UNOVIS">UNOVIS</a></b> signed most of their works with a single black square, partly as a <a class="mw-disambig" href="./Homage" id="mwA-4" rel="mw:WikiLink" title="Homage">homage</a> to a similar work by their leader, <a href="./Kazimir_Malevich" id="mwA-8" rel="mw:WikiLink" title="Kazimir Malevich">Kazimir Malevich</a>?