Free-minor closed classes [2] and free-planar graphs [3] are considered. Versions of Kuratowski-like theorem for free-planar graphs and Kuratowski theorem for planar graphs are considered.
@article{hal-00411991,
author = {Zeps, Dainis},
title = {Free Minor Closed Classes and the Kuratowski theorem.},
journal = {HAL},
volume = {1998},
number = {0},
year = {1998},
language = {en},
url = {http://dml.mathdoc.fr/item/hal-00411991}
}
Zeps, Dainis. Free Minor Closed Classes and the Kuratowski theorem.. HAL, Tome 1998 (1998) no. 0, . http://gdmltest.u-ga.fr/item/hal-00411991/