Triad systems. Memoirs of National Academy of Sciences.
Publication Title:
Triad systems. Memoirs of National Academy of Sciences.
Display Title:
Triad systems. Memoirs of National Academy of Sciences.
Corporate Agency Authors:
National Academy of Sciences
Sort Author:
National Academy of Sciences
Date:
1919
Publish Date ISO Format:
1919-01-01T00:00:00Z
Publication Start:
19190101
Publication End:
19191231
Corporate/Agency Author:
National Academy of Sciences
Publication month:
13
Publication year:
1919
Description:
v. 14, 2d memoir, [1]+89 p. il. large 4°
Notes:
* For Sale by Superintendent of Documents. Paper, 15c.
Notes:
Contents.—Complete classification of triad systems on 15 elements, [articles] by H. S. White, F. N. Cole, and Louise D. Cummings: pt. 1, Triad systems on 15 elements whose group is of order higher than unity, by H. S. White; pt. 2, Trains for triad systems on 15 elements whose group is of order higher than unity, by L. D. Cummings; pt. 3, Groupless triad systems on 15 elements, by H. S. White and L. D. Cummings; pt. 4, Structure as defined by interlacings, heads, and semiheads, complete census of triad systems in 15 elements, by F. N. Cole; pt. 5, Sequences and indices for all groupless triad systems on 15 elements, by L. D. Cummings.
Availability:
* For Sale by Superintendent of Documents. Paper, 15c.