paper search

https://fatcat.wiki/

https://www.semanticscholar.org/

google scholar
https://scholar.google.com.tw/

Search arXiv.org

https://arxiv.org/multi?group=grp_cs&%2Ffind=Search

https://www.academia.edu/25950614/Introduction_to_Spin_Models_in_Computational_Physics

https://www.researchgate.net/

JUCS

http://www.jucs.org/jucs_1_10/an_aperiodic_set_of

HAL

https://hal.archives-ouvertes.fr/

CIRM

https://www.tandfonline.com

The American Mathematical

Monthlyhttps://www.maa.org/press/periodicals/american-mathematical-monthly

https://www.jstor.org/journal/amermathmont


https://digitalcommons.fairfield.edu/
 C. Bernhardt, Vertex maps for trees: Algebra and periods of periodic orbits,

萬千合集站

https://wanyouw.com/sites/133.html