%0 Journal Article %A Harary, Frank %T Combinatorial Mathematics, by H. J. Ryser. John Wiley and Sons, Inc., New York, 1963. ix + 141 pages. $4.00. %J Canadian mathematical bulletin %D 1964 %P 489-491 %V 7 %N 3 %U http://geodesic.mathdoc.fr/articles/10.1017/S000843950003201X/ %R 10.1017/S000843950003201X %F 10_1017_S000843950003201X