The tree theory and isomorphism
C. Sayward · Analysis · 1981
Journal Article The tree theory and isomorphism Get access Charles Sayward Charles Sayward The University of Nebraska—Lincoln Search for other works by this author on: Oxford Academic Google Scholar Analysis, Volume 41, Issue 1, January 1981, Pages 6–11, https://doi.org/10.1093/analys/41.1.6 Published: 01 January 1981