N-to-one mappings of linear graphs
By: by Paul W. Gilbert ...
Publisher: n.p.
Published: 1942
Place of publication: [N.p
Language: eng
Number of pages: 486
Subjects: Graphic methods.
Notes: Bibliography: p. 485-486.
Thesis (Ph. D.) -- Duke university, 1940.
Cover-title.
"Biography": leaf at end.