Conjugate systems characterized by special properties of their ray congruences ...
By: by Emma Julia Olson ...
Published: 1934
Place of publication: [Chicago]
Language: eng
Number of pages: 57
Subjects: Projective differential geometry.; Congruences (Geometry)
Notes: Bibliography: p.55-56.
Thesis (PH. D.)--University of Chicago, 1932.
Vita.
Lithoprinted.
"Private edition, distributed by the University of Chicago libraries, Chicago, Illinois."