
REFERENCES

Manjul Bhargava, On the ConwaySchneeberger fifteen theorem, Contemporary Mathematics 272 (1999), 2737.
J. H. Conway, The Sensual (Quadratic) Form, M.A.A., 1997, p. 141.
J. H. Conway, Universal quadratic forms and the fifteen theorem, Contemporary Mathematics 272 (1999), 2326.
J. H. Conway and W. A. Schneeberger, personal communication.
