No triangle can be cut into seven congruent triangles. Beeson, M. 2018.  Available on ArXiv
Pdf  bibtex   @article{beeson2019a,
	author = {Michael Beeson},
	date-added = {2018-11-25 10:28:35 -0800},
	date-modified = {2018-11-25 10:30:38 -0800},
	note = {Available on ArXiv},
	title = {No triangle can be cut into seven congruent triangles},
	url_pdf = {NoSevenTiling.pdf},
	year = {2018}} 
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