%0 Journal Article %A Borisov, Lev %T On equations of fake projective planes with automorphism group of order $21$ %J Épijournal de Géométrie Algébrique %D 2023 %V 7 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.46298/epiga.2023.8507/ %R 10.46298/epiga.2023.8507 %G en %F 10_46298_epiga_2023_8507