Blichfeldt, Hans Frederik, 1873- **H,5129.200 Finite collineation groups, with an introduction to the theory of groups of operators and substitution groups. — Chicago. The University of Chicago Press. [1917.] xi, 194 pp. [The University of Chicago Science series.] 19 cm.
~<\- oe This card was printed at the Boston Public Library, December 7, 1917.
L3075 — T.r. — S.r. — Groups. Mathematical term.