E. Boros; V. Gurvich; S. Hougardy
E. Boros; V. Gurvich; S. Hougardy
Two graphs without planar covers [0.03%]
Dan Archdeacon
Dan Archdeacon
Jan van den Heuvel; Sean McGuinness
Jan van den Heuvel; Sean McGuinness
H. J. Broersma; M. Kriesell; Z. Ryjác̆ek
H. J. Broersma; M. Kriesell; Z. Ryjác̆ek
Manoel Lemos; James Oxley
Manoel Lemos; James Oxley
Dhruv Mubayi
Dhruv Mubayi
Hong-Jian Lai
Hong-Jian Lai
Jiří Fiala
Jiří Fiala
Rao Li; Akira Saito; R.H. Schelp
Rao Li; Akira Saito; R.H. Schelp