보편 덮개 (universal covering)

관련된 항목들

• 리만 사상 정리 Riemann mapping theorem and the uniformization theorem

관련논문

• A Note on the Universal Covering Space of a Surface
  • G. W. Knutson
  • The American Mathematical Monthly, Vol. 78, No. 5 (May, 1971), pp. 505-509