Journal article
Addendum: A Class of Steiner Triple Systems of Order 21 and Associated Kirkman Systems
Authors
Mathon RA; Phelps KT; Rosa A
Journal
Mathematics of Computation, Vol. 64, No. 211,
Publisher
JSTOR
Publication Date
July 1, 1995
DOI
10.2307/2153510
ISSN
0025-5718