@article{202404.1371,
	doi = {10.20944/preprints202404.1371.v1},
	url = {https://doi.org/10.20944/preprints202404.1371.v1},
	year = 2024,
	month = {April},
	publisher = {Preprints},
	author = {Sheng Qin},
	title = {Non Computer Proof of the Four Color Theorem: N-Color Theory},
	journal = {Preprints}
}