@article{LaLuzSto22,
	title = {{Further extensions of the Gr\"{o}tzsch Theorem}},
	journal = {Discrete Math.},
	volume = {345},
	number = {6},
	pages = {112849},
	year = {2022},
	doi = {10.1016/j.disc.2022.112849},
	author = {H. La and B. Lu\v{z}ar and K. \v{S}torgel},
}