[MathOuvrage]
Projective geometry
/ Fortuna, Elisabetta ; Frigerio, Roberto ; Pardini, Rita.
-Cham : Springer, 2016. - xii, 266 p. ; 24 cm
ISBN 9783319428239
[MathOuvrage]
Bounded cohomology of discrete groups
/ Frigerio, Roberto.
-Providence RI : American mathematical Society, 2017. - xvi, 193 p. ; 26 cm
ISBN 9781470441463