Hyperaffine planes over hyperrings. - Rosaria Rota (Discret. Math., 1996)

On some classes of hyperstructures. - Rita Procesi; Rosaria Rota (Discret. Math., 1999)

Complementary multiplicative hyperrings. - Rita Procesi; Rosaria Rota (Discret. Math., 2008)

Perfect octagon quadrangle systems. - Luigia Berardi; Mario Gionfriddo; Rosaria Rota (Discret. Math., 2010)

Perfect Octagon Quadrangle Systems with an upper C4-system and a large spectrum. - Luigia Berardi; Mario Gionfriddo; Rosaria Rota (Comput. Sci. J. Moldova, 2011)

Octagon Quadrangle Systems nesting 4-kite-designs having equi-indices. - Luigia Berardi; Mario Gionfriddo; Rosaria Rota (Comput. Sci. J. Moldova, 2011)

Perfect octagon quadrangle systems - II. - Luigia Berardi; Mario Gionfriddo; Rosaria Rota (Discret. Math., 2012)

Balanced and strongly balanced Pk-designs. - Luigia Berardi; Mario Gionfriddo; Rosaria Rota (Discret. Math., 2012)