The minimal polynomial of 2cos(π/p) and its application to regular maps of large planar width. - Mária Ipolyiová (Australas. J Comb., 2005)

Planar width of regular maps. - Martin Macaj; Jozef Sirán; Mária Ipolyiová (Electron. Notes Discret. Math., 2007)

Injectivity radius of representations of triangle groups and planar width of regular hypermaps. - Martin Macaj; Jozef Sirán; Mária Ipolyiová (Ars Math. Contemp., 2008)