Planar division neo-rings

The Nonexistence of Certain Finite Projective Planes

R. H. Bruck, H. J. Ryser · Canadian Journal of Mathematics · 1949 · 326 citations · Full text

Natural Sciences, Mathematics, Geometry +11

Contributions to the theory of loops

R. H. Bruck · Transactions of the American Mathematical Society · 1946 · 243 citations · Full text

Natural Sciences, Computer Science, Physics +7

Cyclic projective planes

Marshall Hall · Duke Mathematical Journal · 1947 · 163 citations

Difference sets in a finite group

R. H. Bruck · Transactions of the American Mathematical Society · 1955 · 125 citations

Natural Sciences, Mathematics, Combinatorics +15

THE 7 × 7 SQUARES

H. W. Norton · Annals of Eugenics · 1939 · 82 citations · Full text

Humanities, History, Discrimination +4