中国科学院数学与系统科学研究院期刊网
Free Cyclic Actions on Surfaces and the Borsuk—Ulam Theorem
Daciberg Lima GONÇALVES, John GUASCHI, Vinicius Casteluber LAASS
Acta Mathematica Sinica . 2022, (10): 1803 -1822 .  DOI: 10.1007/s10114-022-2202-3